Recaps

Kairos killed Cell, helped Bulma’s timeline recover, and traveled to Other World to fight Son Goku, whose perfected Super Saiyan 3 surpassed a trillion in battle power. After returning to his original timeline, Kairos met the young Kakarot and reunited with Bulma’s family, while Whis watched for signs that Kairos would cultivate godly ki.

• Kairos tracked Cell to the ruined town, defeated him, and destroyed his core after Cell tried to deceive him with regeneration.
• Kairos and Bulma watched alternate timelines with Whis, while Kairos confronted Goku and the others about how they had overlooked Bulma’s hardships.
• Kairos trained until he achieved Super Saiyan 2, then used Instant Transmission to take Son Gohan and Trunks to North Kai’s Planet to meet Goku and the other dead warriors.
• Kairos fought Son Goku through increasingly powerful forms, ultimately defeating him as their battle threatened to destroy Other World before Whis contained the accumulated energy.
• Whis restored Goku’s tail, allowing Goku to control Super Saiyan 3 and raise his battle power beyond one trillion, while Kairos suggested Super Saiyan 4 might be the next realm.
• Kairos left the parallel timeline after spending seven days with Bulma, and Whis told him nearly a year had passed in his original timeline.
• Kairos returned to Kami’s Lookout, met the young Kakarot, and asked Son Gohan to keep Kakarot’s origins and Kairos’s existence secret.
• Kairos returned to West City and explained his absence to Bulma, Tights, Briefs, and Panchy, while Whis went back to Beerus and continued watching Kairos.