Altaira: [swimming the pool] Come on in.
Commander Adams: I didn't bring my bathing suit.
Altaira: What's a bathing suit?
Commander Adams[embarrassed] Oh, murder!
or
Altaira Morbius: Robbie, I must have a new dress, right away.
Robbie the Robot: Again?
or
Commander Adams: Nice climate you have here. High oxygen content.
Robby the Robot: I seldom use it myself, sir. It promotes rust.