Watch Dragonball Kai 140 -

Remember that Episode 140 of Kai corresponds to a later point in the original Dragon Ball Z (around Episode 235-237) because Kai removes the "filler" content to stay closer to the manga's pacing.

Since the merger, Crunchyroll is the primary home for the Dragon Ball franchise. You can find the "The Final Chapters" arc (which includes episode 140) there. Watch Dragonball Kai 140

This episode is part of the (specifically The Final Chapters ). Remember that Episode 140 of Kai corresponds to

After being resurrected by Babidi, Majin Buu begins to showcase his terrifying and unpredictable power. The Z-Fighters, particularly Gohan and the Supreme Kai, realize the gravity of the threat as Buu easily overpowers them with his childlike yet brutal fighting style. particularly Gohan and the Supreme Kai