The Flintstones: Season 3, Episode 27

3 - 27: Swedish Visitors

Wilma borrows money from a bank account and in order to get it back, she rents the Flintstones' house to some Swedish musicians without Fred's knowledge while they take a camping trip. When Fred drives a sleeping Wilma and Pebbles back home, he finds the Swedish musicians there and he and Barney attempts to get rid of them.