The request for "720p HD" is another interesting part of this search. It indicates the user is not just looking for any version of the episode but one with decent visual quality. The original "Dragon Ball Z" aired in standard definition. "Dragon Ball Z Kai," however, was a digital remaster, and the "720p" (1280 x 720 pixels) resolution offers a significantly sharper, cleaner image than standard definition (480p).
: Recognizing that even Super Saiyan 3 Goku is reaching his limit, Vegeta devises a plan to use the Spirit Bomb (Genki Dama). He realizes they need the energy of every living soul on Earth to create a blast powerful enough to vaporize Buu completely.