You will watch Jackie Chan Adventures Season 4 Episode 12 online for free episodes with high quality. Online episode guide, Jackie Chan Adventures Season 4 Episode 12 The J-Tots. Chang escapes from prison with his Chang Gang, a group of evil counterparts to the J-Team. Meanwhile, Jade wants to be recognized as a J-Team member, and places a seniority spell over the others. This backfires when, during the J-Team/Chang Gang confrontation, the J-Team members become toddlers.