Staffel 0

While Gohan tries to balance everyday life and his exploits as Great Saiyaman, Videl becomes obsessed with unmasking the city's new hero. Although he won't reveal his identity, he steps in to help confront a hostage situation.

The next day, Gohan learns that Chobi, who is the child of Toto the pterodactyl, has been captured by a circus and put on display. In his attempt to rescue Chobi, Gohan is portrayed as a criminal. Videl pursues Gohan as a suspect. When Chobi's parents attack the city in search of their child, Gohan manages to handle the situation and return Chobi to his parents. Videl discovers the truth that Gohan is Great Saiyaman. Videl blackmails Gohan into participating in the 25th World Martial Arts Tournament. As some of the other Z Fighters express interest in the tournament, Goku calls out from the Other World and says he will return to Earth for a single day to participate.

Gohan tells everyone about the approaching tournament and Goku's day-long return from Otherworld. While training whit his brother, Goten reveals just how strong he's already become. Meanwhile, Videl visits for a flying lesson and meets Chichi.

As the crowd enjoys the tournament's opening ceremonies, a preliminary round determines the final 16 adult fighters who will compete in the ring. Meanwhile, the first round of the junior-division competition is about to begin!

The battle between Trunks and Goten escalates as the two ramp up their attacks in front of a bewildered audience. The one who emerges victor is given a chance to fight Mr. Satan, but the former World Champion knows he hardly stands a chance.

Videl wastes no time getting serious with her oversized opponent, but his ability to recover from her attacks begins to take its toll. Will she be able to keep up the pace?

Goku uses his Instant Transmission to deliver some Senzu beans from Korin. After giving them to Gohan, he rushes to the infirmary to give one to Videl. Gohan gives a Senzu bean to Videl to restore her to full health. Gohan's identity as Great Saiyaman is revealed to his classmates after his bandana was blown off during his outburst. Gohan steps up to face against Kibito, who requests to see Gohan's Super Saiyan transformation. After Piccolo informs the other Z-Fighters of Shin's identity as the Supreme Kai, he orders Gohan to transform. Shin asks Goku and the others not to intervene. Right after Gohan transforms, Spopovitch and Yamu appear and hold Gohan down.

When Goku and his companions return to Earth after defeating Majin Buu, they are welcomed with open arms. But nobody is happy to see the good Buu! Can Mr. Satan’s pink pal manage to fit into society? Or is he destined to become an outcast?