Bread Monster
From Muppet Wiki
Seymour tries to fight off the Bread Monster
In episode 202 of Muppets Tonight, Seymour and Pepe accidentally add too much yeast to their bread recipe on their cooking show, "Hey What Smells". They fight off the resulting bread monster while Rick Moranis sings his "Salute to Late Fifties Crooners, Obscure British Bands, and Bill Withers."
