The Simpsons Season 1 Episode 107

Call of the Simpsons
It's a camping misadventure for the Simpsons. First, the Simpson's get lost in the woods and lose all their camping equipment. Then, Bart and Homer go get help, but get washed down a waterfall, and lose all their clothes. Meanwhile, Maggie meets up with some bears. Then, Homer is mistaken for Bigfoot.