S1, E24: Dora and Boots keep running into friends in need of help. Turns out the other animals are all headed to a big party at the Treehouse. They beg Dora and Boots to come too. To get to the Treehouse, Dora and Boots will have to cross Crocodile Lake, then go over the Stone Wall, and that's how they'll reach the party at the Treehouse.