How Did Kid Buu Travel to Other World?

Kid Buu was able to enter the sacred world of the Kais in Dragon Ball Z, but this feat logically should not have been possible for the villain.

Dragon Ball in chronological order to view the entire series, movies and manga - Meristation

Dragon Ball Z: All Episodes - Trakt

Dragon Ball Toei - Majin Buu Addition (+ A Bunch of Upgrades)

FEATURE: The Ultimate Dragon Ball Series Story Arc Guide - Crunchyroll News

Why was Kid Buu the only one to destroy the Earth? - Quora

Why didn't Goku kill Majin Buu while in Super Saiyan 3? : r/dbz

Gohan - Wikipedia

Kid Buu goes to the other world

Franklya bit of a hassle: Not Majin Buu, Akira Toriyama Had Major Trouble Drawing Another Dragon Ball Villain - FandomWire

Dragon Ball Z - Kid Buu: The Price of Victory (VHS, 2003, Edited Version) for sale online

Kid Buu is the most powerful Buu confirmed.