After the thrilling battle with Cell, the Z fighters are renewed. Under the protection of Son Gohan (voiced by Masako Nozawa) and his friends, the Earth has ushered in seven long but short years of peace. He has become a handsome young man and goes back and forth to school every day. During this period, he met Satan's daughter Videl. With the shouts of the whole world, the long-awaited World No. 1 Martial Arts Tournament is announced to be held again. Gohan, Videl, No. 18 Goten, Trunks and even Son Goku, who took a leave from another world, participated in the competition in a high-profile manner, which made Satan, who was enjoying the success, tremble. On the field, the joining of two strange players opened the curtain of a new round of crisis on the Earth. After that, the evil magician Babidi from outer space appeared. He used evil means to revive the terrifying opponent Majin Buu (voiced by Kozo Shioya) who was sealed by King God. The worst battle of the Z fighters, the Earth is in danger... This film is a restored animation work to commemorate the 20th anniversary of the broadcast of "Dragon Ball Z".