The Funhouse - 1981

By going to some trashy carnival that has pulled into 17, rebellious teen Amy defies her parents. In tow are Buzz her boy friend, along with also their friends Richie and Liz. Believing it'd be interesting to spend the night at the campy"fun house" horror ride, the adolescents witness a murder by way of a deformed worker wearing a mask. Locked in, Amy and her buddies must avoid the carnival workers and escape until it leaves town.