The Incredible Melting Man/Funny

"Mike: They were open-minded to cast aliens in these roles."
 * The Mystery Science Theater 3000 guys had a ball with the Big Lipped Alligator Moment scene with the old couple.

"Servo: She's got huge bird feet!
 * Then:

(Crow starts making odd chicken clucks and turkey gobbles)"

"Mike: The Incredible Melting Grandma!"
 * Also:

"Mike(As the Melting Man): Woah! Not Ted Nelson! No relation to Ted Nelson here!"
 * After Dr. Ted Nelson identifies himself and is immediately shot by security guards: