Episode 220/235, "Meal Time": when Badidi finds his spaceship in ruins after Majin Vegeta blew it up.
Episode 221/236, "The Warrior's Decision": after Majin Vegeta gave Majin Buu his first few punches. Also plays when Majin Buu regenerates his punches taken from Majin Vegeta and charges his Final Impact and uses it to blow a hole through him.
Episode 271/286, "Spirit Bomb Triumphant": after Dende told Goku he used the third wish to bring his power level back to normal and goes Super Saiyan and when Goku recounts the events that happened because of Majin Buu before using the Spirit Bomb to kill Kid Buu.
Episode 272/287, "Celebrations with Majin Buu": when Majin Buu gets angry inside the ice cream shop and remembers Mr. Satan told him not to.