Marisa Berenson sings Shel Silverstein's "You're Always Welcome at Our House" on The Muppet Show

"The Muppet Show" was always at its best when it was pleasantly dark, and there are few greater examples of this (save for the Vincent Price or Alice Cooper episodes) than actress Marisa Berenson's perky vocals on Shel Silverstein's song about capturing and torturing home visitors.