Fictional or made-up characters who were guests (or scheduled to be guests) on The Muppet Show. * Sonia and Her Singing Seals — cancel when her seals get the flu in episode 101. * Bertha Beasley and Her Galloping Geese — Valerie Harper sabotaged her appearance in episode 120. * Adolf Nureyev — his trained seals don't show up in episode 204. * Prunella and Her Prancing Poultry — cancels on account of duck season in episode 219. * The Dancing Mountains — nearly make it to The Muppet Theatre in episode 412, but Kermit cancels the in-person acceptance of their award. * Angus McGonagle — guest scheduled to appear in episode 417; he was cancelled in favor of the stars of Star Wars. * Manny Kaye — tuned clam player announced to appear the week after Danny Kaye.