Buu Eliminated With Ghosts! A Surefire Kamikaze Attack!!
Stepping into battle, Gotenks eagerly unleashes an array of uniquely eccentric new techniques against the terrifying Majin Buu. As the clash intensifies, the fused warrior unveils a bizarre yet elaborate strategy to turn the tide of the fight, forcing both sides to commit everything to the confrontation.
Aired 18/01/2015EP 40 - Buu Eliminated With Ghosts! A Surefire Kamikaze Attack!!
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.