Beavis and Butt-Head (1993)

Season 3: Episode 23

The school psychiatrist requires Beavis, Butt-head and Stewart to go on a canoe trip, led by Mr. Van Driessen. Butt-head tells Beavis that this is Mr. Van Driessen's attempt at making ""his move"" on Beavis. A fight ensues, and the boys' canoe capsizes. While relieving themselves in the woods (wearing only underwear), they get poison ivy. Mr Van Driessen gets mauled by a bear.