Even Stronger! Goku's Dream Never Ends!!
Recognizing the immense, raw potential within his young opponent, Goku makes a life-changing decision during their tournament match. Realizing the boy lacks proper control over his extraordinary power, Earth's greatest warrior chooses a bold new path for his future. With a final farewell to his friends and family, Goku embarks on a brand-new journey to guide the next generation of fighters.
Aired 28/06/2015EP 61 - Even Stronger! Goku's Dream Never Ends!!
Dragon Ball Z Kai: The Final Chapters
Since Cell's defeat Gohan has grown up and go to the university then she meets Videl which who has some adventures, then both and his new brother Goten are training for the new tournament, in which Goku came back from the dead for one day. In half of the tournament a misterious persons advice the group about the resurrection of the dangerous Majin Boo, but all plans fails and every one try new ways to stop The dangerous Majin Boo who gets stronger each time. Goku and his friends make everything for stopping them through fights.
(Source: Anime News Network, edited)
Note: Remastered version of the Majin Boo arc that adheres more to the manga's story.