Dragon Ball Z Episode 286 -

Vegeta instructs Dende to ask the dragon Porunga to fully restore Goku's energy to its normal, healthy peak.

In the anime, Kid Buu purposefully stands in front of Vegeta and pelts Goku with ki blasts because he knows Goku won't throw the bomb. Dragon Ball Z Episode 286

The "Good" Majin Buu distracts Kid Buu long enough for Mr. Satan to run in and carry Vegeta's body to safety. Vegeta instructs Dende to ask the dragon Porunga

According to documentation on the Dragon Ball Wiki , several elements were added strictly for the televised anime adaptation: healthy peak. In the anime