Tokugawa - From Hostage to Shogun Documentary

Tokugawa Ieyasu, born Matsudaira Takechiyo in 1543 amid the chaotic Sengoku period, rose from a hostage childhood to become one of Japan’s most significant historical figures by navigating treacherous clan politics and forging strategic alliances, most notably with Oda Nobunaga after the 1560 Battle of Okehazama. His early life was shaped by ruthless family decisions, such as his father’s willingness to sacrifice him, and by the broader instability of feudal warfare compounded by foreign arrivals and religious divisions. Demonstrating military skill and political cunning, Ieyasu seized control of Okazaki, broke with the Imagawa, and rescued his family before formally adopting the Tokugawa name. He then crushed the Ikko-Ikki uprising in 1563–1564, even fighting at the front and burning rebel temples after promising peace, while also prioritizing long-term infrastructure like the Tōkaidō bridge over immediate defense. Through these actions, he consolidated control of Mikawa and laid the groundwork for the Tokugawa shogunate, a dynasty that ruled Japan until the Meiji Restoration in 1868.

• ▶ 1:21 Tokugawa Ieyasu was born as Matsudaira Takechiyo on 31st January 1543 at Okazaki Castle.
• ▶ 1:31 His birthplace lay in Mikawa Province near present-day Nagoya, at the center of Honshu, east of Kyoto.
• ▶ 1:55 He became one of Japan's most significant historical figures, founding a dynasty that ruled until the Meiji Restoration in 1868.
• ▶ 2:11 Ieyasu's father, Matsudaira Hirotada, was a minor daimyo caught between the powerful Oda and Imagawa clans, and secured his position by allying with the Imagawa.
• ▶ 3:08 Ieyasu was born as Takechiyo in 1543 to the teenage Odai-no-kata, but the political marriage collapsed after her family defected to the Oda, leading to her return home in 1544.
• ▶ 3:46 Despite the early estrangement, historians believe Ieyasu's character owed a great deal to his absent mother, Odai-no-kata.
• ▶ 4:00 The clan conflicts surrounding young Takechiyo were typical of the Sengoku Period, a century of near-constant warfare in sixteenth-century Japan.
• ▶ 4:22 Political power was split: the emperor held only ceremonial authority, while real power rested with the shogun, a hereditary warlord; the shogunate passed from the Minamoto clan to the Ashikaga after the Kamakura shogunate fell in 1333.
• ▶ 5:22 By the late fifteenth century, the Ashikaga shogunate's control weakened, allowing local daimyō to assert independence and face popular uprisings—creating the instability that shaped Takechiyo's early life.
• ▶ 5:58 Japan was deeply divided during the Sengoku Period into dozens of competing daimyo domains, despite nominal unity under the emperor, creating a layered and unstable system of competitive power.
• ▶ 7:01 Ieyasu's life unfolded amid warlords competing for power, with the most powerful figures attempting to reunite Japan after roughly two centuries of division—a situation comparable to England's fifteenth-century Wars of the Roses.
• ▶ 7:26 Foreign outsiders (Portuguese, Spaniards, Dutch, English, and missionaries) began arriving on Japan's shores, seeking trade and introducing new ideas like Christianity, adding another layer of complexity.
• ▶ 8:05 Foreign newcomers introduced religious divisions, distinguishing Catholics and Protestants linked to Portuguese, Spanish, and Italian presence in Japan.
• ▶ 8:11 These newcomers further destabilized Japanese society at a time when unity among daimyos and order were desperately needed.
• ▶ 8:23 This religious fragmentation formed the backdrop of Ieyasu's life, combining feudal warfare with external ideological conflicts.
• ▶ 8:47 Hirotada appealed to the Imagawa for military aid, but they demanded his six-year-old son Takechiyo (the future Ieyasu) be sent to Sunpu Castle as a hostage.
• ▶ 9:19 On the journey, Oda forces kidnapped Takechiyo and presented him to Oda Nobuhide as a bargaining chip, threatening to kill the boy unless Hirotada surrendered Okazaki Castle.
• ▶ 9:51 Hirotada defiantly replied that Takechiyo’s death would not matter and might even strengthen his Imagawa alliance—a ruthless response that impressed Nobuhide and spared the boy’s life.
• ▶ 11:03 Hirotada's death in 1549 makes six-year-old Takechiyo head of the Matsudaira clan and lord of Okazaki Castle, even while he remains a hostage.
• ▶ 11:29 Oda Nobuhide's death triggers a succession crisis between Nobuhiro and Nobunaga, weakening the Oda and opening an opportunity for the Imagawa clan.
• ▶ 11:59 Amid the crisis, Nobunaga releases Takechiyo, who returns to Okazaki Castle only briefly before being sent to Sunpu Castle to secure his loyalty to the Imagawa.
• ▶ 13:26 At age 14, Takechiyo came of age, took the name Matsudaira Motonobu, and first visited Okazaki Castle, where elderly retainer Torii Tadayoshi revealed the clan's precarious position—surviving only under heavy Imagawa exploitation that forced Matsudaira soldiers to do most of the fighting against the Oda.
• ▶ 14:57 Motoyasu proved his military skill in his first battle at Terabe Castle (1558) by burning the main fort and withdrawing before an expected rear attack, then crushing Nobunaga's pursuing force; in 1559 he used diversionary attacks on two enemy forts to slip a supply column into Odaka Castle unopposed.
• ▶ 16:16 The 1560 Okehazama ambush killed Imagawa Yoshimoto, abruptly reversing Imagawa fortunes; Motoyasu seized the moment to take control of Okazaki, then made the risky decision to break with the Imagawa and ally with Nobunaga—despite his wife and son still held as hostages—eventually rescuing them in 1562 via a ninja attack on Kaminojo Castle and taking the name Ieyasu.
• ▶ 19:17 Ieyasu formally took the name Tokugawa Ieyasu, which he would keep for the rest of his life, and from 1563–1564 his main focus became suppressing the Ikko-Ikki uprising.
• ▶ 19:55 The rebellion created an internal crisis — several of Ieyasu's own retainers sided with the rebels due to religious loyalty, but the support of the majority of Mikawa samurai allowed him to crush the revolt.
• ▶ 20:08 At the decisive Battle of Azukizaka in 1564, Ieyasu fought from the front and had two bullets stopped by his armor; afterward he promised to restore the rebels' three temples, then immediately burned them down once peace was secured.
• ▶ 20:30 After crushing religious rebels, Ieyasu burned their temples, gaining control of most of Mikawa and reasserting authority over retainers who had defected.
• ▶ 20:52 Despite still being far weaker than Oda Nobunaga, Ieyasu showed strategic ambition when his retainers urged him not to rebuild the flood-destroyed Yahagi Bridge at Okazaki Castle.
• ▶ 21:09 Ieyasu rejected that defensive advice, insisting the bridge be rebuilt because it was vital to the east-west Tōkaidō highway—showing he prioritized long-term economic and strategic infrastructure over immediate defense.
• ▶ 21:25 Ieyasu secured Yoshida Castle, the last Imagawa foothold in Mikawa, through a diplomatic agreement rather than direct assault, restoring relations with the Imagawa clan.
• ▶ 21:46 At age 21, Ieyasu became master of Mikawa and implemented administrative and military reforms, separating his direct troops from regional lords' forces.
• ▶ 22:29 Through frequent alliance changes and betrayals—routine in the Sengoku Period—Ieyasu gained control of Mikawa and Totomi, rising from a minor lord to a major power in central Honshu.
• ▶ 23:12 In December 1569, Ieyasu received formal permission from the imperial court in Kyoto to change his surname to Tokugawa.
• ▶ 23:30 The Tokugawa name was deliberately adopted to emphasize his Minamoto clan ancestry, traced through the female line.
• ▶ 23:47 The name change gave Ieyasu a theoretical claim to the shogunate, reflecting his growing ambition to rule Japan.
• ▶ 24:04 In 1570, the seat of power was moved eastward to Hamamatsu in Tōtōmi Province, expanding influence beyond Mikawa.
• ▶ 24:11 The young son, now known as Noboyasu, was left in charge of Okazaki Castle, the family's ancestral seat.
• ▶ 24:11 This appointment placed a trusted heir at the clan's original domain while the main power base shifted eastward.
• ▶ 24:21 Oda Nobunaga marched on Kyoto in 1568, took control of the Ashikaga shogunate, and began his campaigns of unification—a turning point often seen as the end of the Sengoku Period.
• ▶ 24:21 By 1570, a coalition including Takeda Shingen, Asai Nagamasa, and Asakura Yoshikage united to try to drive Nobunaga from the capital.
• ▶ 24:21 In the 1570 campaign, Ieyasu helped Nobunaga secure a dangerous retreat by assisting Kinoshita Tokichiro (the future Toyotomi Hideyoshi) when his rearguard came under heavy enemy pressure.
• ▶ 25:58 The Battle of Anegawa occurred on 30 July 1570 near Yokoyama Castle in Omi Province, involving the Oda–Tokugawa forces against the allied Asai and Asakura clans.
• ▶ 26:07 Nobunaga’s forces engaged the Asai in the east, while Ieyasu’s forces fought the Asakura in the west; despite being outnumbered, Ieyasu crossed the river and attacked early in the morning.
• ▶ 26:23 Ieyasu inflicted heavy losses on the Asakura, then struck the Asai flank, earning public praise and fine gifts from Nobunaga, further cementing his reputation as a capable commander.
• ▶ 26:46 Takeda Shingen rallies rival daimyos against Oda Nobunaga, intensifying pressure on the Oda clan after Ieyasu returns to Hamamatsu.
• ▶ 26:53 Nobunaga destroys the Tendai monasteries on Mount Hiei and massacres thousands of monks, women, and children, showing his brutal methods.
• ▶ 27:09 Ieyasu deliberately avoids joining these campaigns, fearing enemies would attack Hamamatsu in his absence—underscoring his cautious, defensive priorities.
• ▶ 27:22 Despite Oda Nobunaga's advice to withdraw to Okazaki Castle, Ieyasu rejected it and prepared to face Takeda Shingen's 20,000+ man invasion head-on.
• ▶ 28:00 Ieyasu advanced to Mikata-ga-Hara and attacked despite being heavily outnumbered, but after his Oda-reinforced right wing broke, his forces were routed and he escaped to Hamamatsu with only five men.
• ▶ 28:49 Ieyasu countermanded the order to shut the castle gates, leaving them open with fires lit as a ruse; this convinced Shingen to break camp and retreat, ending the immediate threat.
• ▶ 29:22 Takeda Shingen was fatally wounded by an arrow during the siege of Noda in January 1573 and died in April 1573, ending the Takeda clan's most threatening offensive.
• ▶ 29:22 Katsuyori succeeded Shingen, possessing his father's bravery and tenacity but lacking his military skill—a critical weakness for the Takeda clan in their ongoing wars.
• ▶ 29:46 The war between the rival lords continued for years in the 1570s, leading up to a major confrontation.
• ▶ 29:52 The Battle of Nagashino on 28 June 1575 pitted Ieyasu and his Oda allies against Takeda Katsuyori, with tens of thousands of soldiers involved.
• ▶ 30:02 Ieyasu's side won a great victory, but the win was not absolute—Katsuyori survived and remained a persistent threat.
• ▶ 30:22 Nobuyasu, Ieyasu’s 16-year-old son, fought at Nagashino and was married to one of Oda Nobunaga’s daughters, with whom he had two daughters.
• ▶ 30:43 Nobuyasu’s closeness to his wife sparked jealousy in his mother, Lady Tsukiyama, who in 1579 was accused of plotting against both Nobunaga and Ieyasu.
• ▶ 30:59 After a Tokugawa retainer confirmed Nobuyasu’s involvement in the plot, Nobunaga pressed Ieyasu to act, and Ieyasu reluctantly agreed to order Nobuyasu to take his own life.
• ▶ 31:22 Ieyasu launches a methodical and sustained campaign with the explicit goal of removing the threat still posed by Takeda Katsuyori, Shingen's successor.
• ▶ 31:30 The campaign concludes in 1582, when the combined Oda-Tokugawa alliance seizes complete control over Kai province, the Takeda clan's home territory.
• ▶ 31:30 With the fall of Kai, the Takeda clan is eliminated as a political and military force, definitively closing the long-running conflict with Ieyasu.

• ▶ 31:30 Ieyasu's early life shaped him as a skilled and ruthless survivor: born into the minor Matsudaira clan, raised as a hostage, and repeatedly switching sides before allying with Oda Nobunaga.

• ▶ 33:17 After Nobunaga's death in 1582, Ieyasu expanded to control five provinces, becoming Japan's second most powerful lord; he then resisted Hideyoshi at Nagakute in 1584 but submitted to him in 1586.

• ▶ 37:58 During the 1590 Odawara Campaign, Ieyasu agreed to trade his five home provinces for the eight Kanto provinces, giving him a larger base that would later become the foundation of Edo.

• ▶ 40:19 While Ieyasu focused on Edo, Hideyoshi began preparing in late 1592 to invade Korea as a step toward attacking Ming China, launching the Imjin War.

• ▶ 40:49 Ieyasu was appointed supreme commander of the Eastern Provinces and joined Hideyoshi at his military camp in Nagoya, but his role was largely logistical, keeping his forces relatively unscathed.

• ▶ 41:25 Ieyasu left Nagoya in 1593 and never returned to Kyushu, though he remained obligated to attend Hideyoshi's court events and supply materials for the rebuilding of Fushimi Castle.

• ▶ 41:43 Hideyoshi's succession crisis begins after his eldest son's death; he becomes Taiko and names his nephew Hidetsugu as heir in 1591.
• ▶ 42:00 The birth of Hideyori in 1593 creates a rivalry for succession, prompting Hideyoshi to give Osaka Castle to his son and move to Fushimi.
• ▶ 42:21 Hideyoshi purges Hidetsugu and his family, shocking daimyo such as Ieyasu, then dies at Fushimi in September 1598, leaving a fragile succession.
• ▶ 42:46 Hideyoshi set up a five-man regency council (the Tairo) to govern until his young heir came of age, and Tokugawa Ieyasu was one of these regents, placing him at the center of national power.
• ▶ 43:15 After Hideyoshi’s death, Ieyasu began arranging political marriages with various daimyos, a provocative act because Hideyoshi had explicitly prohibited such alliances—yet Ieyasu was now too powerful to resist.
• ▶ 43:34 Despite Ieyasu’s dominance, an opposition faction began to coalesce against him, with leadership associated with Ishida Mitsunari, setting the stage for conflict.
• ▶ 43:42 Ieyasu’s rivalry with Ishida Mitsunari becomes the central frame for the events of 1600, setting up their direct clash.
• ▶ 44:05 Ieyasu confiscates the Dutch ship Liefde and its guns, then questions William Adams about European affairs—showing his strategic pursuit of foreign military technology and knowledge.
• ▶ 44:24 Ishida officially declares war on Ieyasu in the name of Hideyori, forcing Ieyasu to shift from a regional Uesugi campaign to a national power struggle and race toward Kyoto.
• ▶ 44:53 Ieyasu's garrison at Fushimi Castle was left dangerously exposed as he marched west toward Ishida's advancing armies.
• ▶ 45:08 Committed to a death stand, 62-year-old Torii Mototada's main objective was to buy time for Ieyasu, not to survive.
• ▶ 45:16 Mototada's heroic defense inflicted roughly 3,000 enemy casualties and delayed the attack for two weeks, giving Ieyasu critical time.
• ▶ 45:26 After losing two castles on the Tōkaidō highway, Ieyasu redirected other forces toward Ishida Mitsunari's base at Ōgaki to pressure the Western Army's headquarters.
• ▶ 45:39 While Ieyasu's troops built a fortified camp at Akasaka, his son Hidetada was separately besieging Ueda Castle along the Nakasendō route.
• ▶ 45:54 Hidetada's failure to quickly capture Ueda Castle delayed his link-up with Ieyasu, leaving him absent from the decisive battle at Sekigahara.
• ▶ 45:54 Tokugawa Ieyasu’s son Hidetada was absent from Sekigahara, but a large Western Army force was also missing because it spent over a week besieging Otsu Castle near Kyoto, offsetting the imbalance.
• ▶ 46:16 Another Western Army detachment besieged Tanabe Castle for weeks; its commander, Hosokawa Yusai, had a son serving with Ieyasu, splitting the Hosokawa family between the two sides.
• ▶ 46:32 Before leaving, Tadaoki left his Christian wife Gracia at the family mansion near Osaka and gave retainers orders about what to do if her honor were ever threatened, setting up her dire situation.
• ▶ 46:51 Gracia, wife of Hosokawa Tadaoki, meekly submits to her fate at her mansion in late August, accepting the crisis rather than resisting or fleeing.
• ▶ 46:58 Hosokawa shuts himself up in Tanabe Castle and endures a 50-day siege, showing his resolve against the besieging forces.
• ▶ 47:12 Tanabe surrenders in October after protracted negotiations, with a key condition allowing Hosokawa to remove his precious library, preserving his scholarly legacy.
• ▶ 47:21 Ieyasu's sudden arrival at Akasaka catches Ishida and the Western Army off guard, forcing them to regroup.
• ▶ 47:27 Ishida rejects a full attack, instead sending Shima Sakon on a probing raid across the Kuisegawa River—a cautious, tactical move.
• ▶ 47:48 Ieyasu's general Nakamura Kazuuji falls for Sakon's trap while crossing the river, giving the Western Army an early minor victory before Sekigahara.
• ▶ 48:03 Ishida repositioned his army west and built field fortifications, provoking Ieyasu to attack a prepared defensive line.
• ▶ 48:16 He used the “crane’s wing” formation, holding back the center to absorb the assault while the extended wings enveloped the enemy.
• ▶ 48:50 A force of 15,000 men was placed in Ieyasu’s rear, aiming to completely surround and annihilate Ieyasu’s army.
• ▶ 48:57 The Battle of Sekigahara begins, described as the largest and most decisive battle of feudal Japan, opening on 21 October 1600 with Ieyasu walking into Ishida's trap but relying on promised defections.
• ▶ 49:24 Ii Naomasa impulsively charges ahead of the vanguard to claim first glory, triggering a general assault into Ishida's center.
• ▶ 49:39 The planned flank attack fails: the Western Army units refuse to move and, after artillery encouragement, betray Ishida, collapsing his right flank and securing Ieyasu's victory.
• ▶ 50:03 After winning at Sekigahara, Ieyasu quickly consolidated control by taking Ogaki Castle, and within weeks received surrenders from the Uesugi clan and other fronts in Kyushu, leaving him in control of most of Japan.
• ▶ 50:37 Ishida Mitsunari was captured after falling ill and executed, but Ieyasu pragmatically spared most Western daimyos, instead confiscating and redistributing their lands for political expediency rather than merit.
• ▶ 51:05 Major beneficiaries of the redistribution included the traitor Kobayakawa and Date Masamune, while Ieyasu deliberately stationed his own loyal retainers around Edo—which he began developing as his new capital—rather than granting them large estates.
• ▶ 51:27 In 1602, Ieyasu arranged a political marriage between his granddaughter and Hideyori to keep the Toyotomi heir within his sphere of influence and contain that line.
• ▶ 51:33 In March 1603, Emperor Go-Yozei formally appointed Ieyasu as shogun.
• ▶ 51:43 Ieyasu was the first to hold the shogun title since 1573, as neither Oda Nobunaga nor Toyotomi Hideyoshi ever attained it.
• ▶ 52:00 Ieyasu's appointment marked Japan's reunification after prolonged civil war and founded the Tokugawa shogunate, which ruled for over two and a half centuries.
• ▶ 52:17 Edo became Japan's de facto capital from 1603, establishing it as the political heart of the nation while the Emperor remained in Kyoto.
• ▶ 52:31 Ieyasu regulated trade by appointing officials to oversee weights and measures and minting new, more convenient coins.
• ▶ 52:38 After the 1602 fire, Ieyasu rebuilt Edo on a grander scale, levelling land for growth and designating Nihon-bashi as the central reference point for all distances.
• ▶ 53:19 Ieyasu continued supervising Edo Castle construction even after abdicating, forcing daimyos to provide building materials.
• ▶ 53:39 Todo Takatora oversaw the full rebuild of Edo Castle and city by 1614, plus strategic castles around Japan.
• ▶ 54:02 Ieyasu required all daimyos to build residences in Edo, creating Daimyo-koji and driving land prices up over one hundredfold within 12 years.
• ▶ 55:00 In 1607, Ieyasu formally retired to Sunpu Castle, the same place where he had been held hostage by the Imagawa clan in his youth.
• ▶ 55:15 Despite stepping back from daily shogunate duties, Ieyasu continued to wield considerable influence, making his retirement largely ceremonial in practice.
• ▶ 55:22 Ieyasu refused William Adams’ request to return to England, valuing his counsel on maritime affairs, European guns, and international relations.
• ▶ 55:42 Under Adams’ influence, Ieyasu granted the Dutch East India Company trading rights in 1609, establishing their post near Nagasaki.
• ▶ 55:58 British merchant John Saris arrived in 1613 and received similar trading terms, but the British struggled against the Dutch and abandoned Japan by 1623.
• ▶ 56:55 Ieyasu favored Dutch and British trade, which challenged the Catholic powers of Portugal and Spain, but he still wanted diplomatic and trade ties with Spain despite Jesuit anxieties.
• ▶ 57:18 In 1609 negotiations with Don Roderigo of Manila, Ieyasu refused to expel the Dutch yet granted most Spanish conditions on trade and Catholic priests’ rights.
• ▶ 57:52 After 1612 scandals and warnings from William Adams, Ieyasu in 1614 ordered all Jesuit missionaries expelled, banning samurai and nobles from converting but not other classes.
• ▶ 58:26 Ieyasu launched military campaigns against the Ryukyu Islands and Taiwan to expand trade, with Ryukyu easily subjugated but Taiwan facing fierce resistance from indigenous peoples.
• ▶ 58:53 A clash between the Christian daimyo Arima and the Portuguese led to the destruction of the Madre de Deus at Nagasaki in 1609; Arima persuaded Ieyasu to expel the surviving merchants but was later executed for corruption in 1612.
• ▶ 59:15 In 1613, Date Masamune sent Hasekura Rokuemon on an embassy to the Pope in Rome, accompanied by the Franciscan Father Sotelo, traveling via the Spanish Americas before reaching Spain and Rome.
• ▶ 59:44 Ieyasu used Catholic missions primarily for intelligence gathering for the shogunate.
• ▶ 59:58 In the first decade of his rule, Ieyasu avoided direct action against Toyotomi Hideyori.
• ▶ 1:00:10 He quietly reduced Hideyori’s status by ordering daimyos to stop visiting Osaka before traveling to Edo and Sunpu.
• ▶ 1:00:18 Ieyasu encouraged Hideyori to rebuild the Great Buddha of Kyoto as a deliberate stratagem to drain the Toyotomi treasury and weaken his rival.
• ▶ 1:00:46 After the completed bell was cast in 1614, objections to its inscriptions escalated into an unresolved breakdown between the Tokugawa and Toyotomi houses.
• ▶ 1:01:12 Convinced that Hideyori was gathering disaffected samurai to challenge the shogunate, Ieyasu prepared for a final confrontation to secure the Tokugawa regime.
• ▶ 1:01:45 Ieyasu stockpiled Western-supplied arms and besieged Osaka, but rejected Hidetada's direct assault in favor of bombardment and siege works.
• ▶ 1:02:35 Through bombing Lady Yodo's mansion, Ieyasu forced a peace deal that stripped Osaka Castle's outer moat and walls, leaving it vulnerable.
• ▶ 1:03:18 Ieyasu used the rebuilding of defenses as a pretext for the 1615 summer campaign; after nearly being broken, he triumphed, and Hideyori, Yodo, and Kunimatsu died, ending the Toyotomi line.
• ▶ 1:04:10 Ieyasu promulgated the Buke shohatto at Fushimi Castle, codifying samurai conduct and declaring "the sword is the soul of the warrior."
• ▶ 1:04:29 The code's key political move was limiting each daimyo to one castle, weakening regional feudal power and centralizing control under the shogunate in Edo.
• ▶ 1:05:05 Ieyasu died on June 1, 1616, at age 73 from stomach cancer, and was later posthumously deified as a Gongen, an earthly incarnation of the Buddha.
• ▶ 1:05:42 Tokugawa Ieyasu is remembered alongside Oda Nobunaga and Toyotomi Hideyoshi as one of the “Great Unifiers of Japan” who restored unity after the Sengoku Period’s chaos.
• ▶ 1:05:56 Of the three unifiers, Ieyasu’s legacy proved the most enduring, shaping Japan’s political and historical trajectory long-term.
• ▶ 1:06:11 Nobunaga’s assassination in 1582 at age 47 left Japan’s unification unfinished and created a power vacuum among his heirs.
• ▶ 1:06:24 Hideyoshi seized that vacuum and completed Japan’s unification, but his subsequent strategic errors doomed his own clan’s long-term survival.
• ▶ 1:06:32 By launching a premature invasion of Korea and staking his legacy on an infant heir, Hideyoshi left Ieyasu perfectly positioned to take control.
• ▶ 1:06:53 Ieyasu’s rise was a decades-long process marked by shifting allegiances in his pursuit of power.
• ▶ 1:07:07 After early years as a hostage of the Oda and Imagawa clans, Ieyasu broke from the Imagawa and allied with Oda Nobunaga, remaining a firm ally for two decades—even executing his first-born son to prove his loyalty.
• ▶ 1:07:29 Following Nobunaga’s assassination, Ieyasu clashed with Hideyoshi but soon realized cooperation was more beneficial, leading them to work together to unify Japan.
• ▶ 1:07:42 Ieyasu’s exchange of his established home domains for the former Hojo territory in Kanto was a major political gamble taken under Hideyoshi’s authority.
• ▶ 1:07:42 The move paid off strategically because it placed Ieyasu beyond Hideyoshi’s direct control, allowing him to build an independent sphere of influence as the leader of the eastern daimyo.
• ▶ 1:07:42 Ieyasu began transforming Edo into his power base, setting the stage for its evolution into the political heart of Tokugawa Japan.
• ▶ 1:08:12 Ieyasu's victory at Sekigahara made him undisputed master of Japan, a decisive turning point that set the stage for a new national order.
• ▶ 1:08:18 Three years later, Ieyasu formally established the Tokugawa shogunate, ending "two centuries of anarchy and instability" with a strong centralized government.
• ▶ 1:08:40 The Tokugawa shogunate ruled for another two-and-a-half centuries until the Meiji Restoration, showing Ieyasu's lasting legacy was a durable political system, not just military victory.
• ▶ 1:08:55 The documentary poses a closing question: whether Tokugawa Ieyasu should be judged as a pragmatic statesman who unified Japan for centuries, or an unscrupulous politician who rose through betrayal.
• ▶ 1:09:22 Viewers are invited to share their opinion in the comments.
• ▶ 1:09:22 The section ends with a brief thank-you to the audience.

• ▶ 1:21 Birth, Family, and the Sengoku World (1:21 - 12:27) - Ieyasu's birth as Matsudaira Takechiyo, his clan's fragile position, and his childhood as a hostage after his father's death.
• ▶ 12:27 Hostage Years, First Campaigns, and Okehazama (12:27 - 19:17) - His time at Sunpu, first battles for the Imagawa, and the Okehazama victory that shifted his alliance to Oda Nobunaga.
• ▶ 19:17 Securing Mikawa and the Wars Against the Takeda (19:17 - 31:39) - Suppressing the Ikko-Ikki, taking the Tokugawa name, and surviving the long struggle against the Takeda through Nagashino.
• ▶ 31:39 From Nobunaga's Fall to the Founding of Edo (31:39 - 40:19) - After Nobunaga's death he fights and then serves Hideyoshi, eventually swapping his provinces for the Kanto and building Edo.
• ▶ 40:19 The Imjin War and Fushimi Castle (40:19 - 1:09:47) - Ieyasu's limited involvement in the Korean campaign and his time at Fushimi Castle.