Mr. Satan reveals to Videl and Gohan that he's staring in a new superhero movie: "Great Saiyaman vs. Mister Satan"! As the pair and Pan check out the film set, the lead in the film - a famous but self-absorbed actor named Barry Kahn - becomes enamored with Videl and tries to woo her, but she rejects him in front of the entire film crew. Seeking revenge on Videl for his humiliation, Barry convinces Gohan to take over as the main stuntman for the film in order to embarrass and potentially maim him. But as Gohan is the real Great Saiyaman, he uses his powers to easily takes on the role, but later dons the suit again for a fight against a pair of bank robbers. When the film crew accuses Gohan of using the suit and stopping the bank robbery, Bulma bails him out. However, Gohan's identity is accidentally revealed to Cocoa, a starlet in the movie, and she blackmails him into flying her around the city. Jaco returns to Earth and suspects "The Great Saiyaman" might be the host of Watagashi (綿餓死), an extraterrestrial parasitic criminal that posses its hosts, whom he has been chasing after. He attacks with a massive cannon capable of vaporizing a planet..