Various animate Feather Boas appeared in several episodes of The Muppet Show.
Juliet Prowse is startled by a Feather Boa Constrictor in a blackout in episode 101.
A group of boas appeared in episode 121 (with a Feather Duster) performing "Dance," and a dance number with Marisa Berenson in episode 310.
One Boa was also seen in episode 311, in Gonzo's "Jamboree" number.
"Dance"
"Borsalino", with Marisa Berenson
"Jamboree"