In , titled " Gohan Goes Bananas! " (originally aired June 21, 1989), the plot focuses on Gohan's training under Piccolo and a critical discovery by Bulma . Episode Highlights
: While under Piccolo ’s harsh survival training, a full moon causes Gohan to undergo his first Great Ape (Oozaru) transformation. To stop the rampage, Piccolo is forced to destroy the moon and remove Gohan's tail. Dragon Ball Z Episode 8
: Back at Kame House, Bulma manages to repair and reprogram Raditz’s scouter , allowing the Z-Fighters to track power levels as they prepare for the arriving Saiyans. In , titled " Gohan Goes Bananas