Total Drama World Tour - Season 1 Episode 15 The Ex-Files
Overview: After breaking up with Duncan, Courtney decides to get revenge by flirting with Tyler after being encouraged by Alejandro. The two teams must search Area 51 for intact alien artifacts and bring them back to the Total Drama Jumbo Jet. During the challenge, Duncan and Gwen bump into each other and have their second kiss, thus officially starting a relationship with each other. In the end, Team Amazon wins again and Tyler is voted off due to a mistake that costs his team the challenge.