Fred McConnell's space suit takes the body from The Naked Time (1966), and the helmet from The Tholian Web (1968).
Mindy's outfit of Mindy the Catwoman from Mars was from 1955 Dean Martin & Jerry Lewis Artist and Models Shirley MacLaine
as Bessie Sparrowbrush Bat Lady outfit.
Mork says the record he's trying to sell is Marcel Marceau's Greatest Hits. Marcel Marceau was a famous pantomime so wouldn't have an audio album.