Detention Adventure S03E09 - The Last Dance

The Detention Team gather outside the school and discuss how getting dressed up and going to a dance isn't their style - suddenly they're interrupted by Kelly, who reveals that she knows where the real treasure might be on the island. Befuddled, the kids immediately decide to ditch the dance and go to the Island to finish their adventure, but when they arrive and find the real answer to their most mysterious adventure yet, a tough decision must be made.