Boes on the Loose Gera gera boos monogatari : Season 1 Episode 1

Boes and Tad are rafting down the river enjoying themselves. All of a sudden the raft starts to bud changing the raft into a jungle. As Boes` view is obstructed he is unable to control the raft. It hits a rock and Boes and Tad are thrown down a waterfall. They manage to swim ashore. They like what they see around them and Boes decides to build his house there...