You will watch Jackie Chan Adventures Second Season 2 Episode 21 online for free episodes with high quality. Online episode guide, Jackie Chan Adventures Second Season 2 Episode 21 Scouts Honor. Jackie finds an ancient necklace that a relic hunter/thief is also after. When Jackie returns home, he notices Jade’s lack of activity and makes her join the Buttercup Scouts. Jade returns the favor by making Jackie accompany the troop on a camping trip.