Medicine, Religion, and the Body

In the Great Saiyaman Saga Gohan plays superhero, hiding his identity to protect his family. When the world martial arts tournament is once again announced, he is forced by the feisty Videl to enter or she'll reveal his identity as Saiyaman!Gohan enters to find the Z Fighters have returned to fight in the tournament; Krilin, Android 18, Piccolo, Vegeta, Goten, Hercule (the last World Champion) even Goku who gets leave from the Afterworld!