After the surfboard challenge, Chris is seen with all of the contestants standing outside the lot with their teams. The team logos floating above the teams' heads are switched over to the incorrect positions.
When Chris announced that the Gaffers won the first part of the challenge, the ammo clip for the seagull gun is full, even though it should be empty after using it against Duncan.
It's unclear how the bus could arrive at the island, since there is no roads that connect to the island, and the only way to get there is by boat, as seen in the beginning of Total Drama Island.