Sesame Street seems like the kind of place where a puppet is free to be a puppet, and the fleece skinned characters that live there seem extremely tolerant of all puppetkind, but some puppets are just no darn good.
They’re the unwanted denizens of Sesame Street, the characters who were removed from the show due to dullness, bad behavior or because their foam forms began to disintegrate after years of use.
But bad puppets aren’t the only ones who have been cut from the cast of Sesame Street, a few human offenders have been fired to hammer home a point about following the rules.
Here's a classic mental_floss article about 9 Muppets Kicked Off Sesame Street, revealing why so many puppets were getting unemployment checks in the 1970s.