One of the films in "The Fifty Worst Films of All Time (And How They Got That Way)" by Harry Medved and Randy Lowell.
Tom refers to the Mads as "Aunt Dan and Lemon," a reference to the play of the same name by Wallace Shawn.
Joel mentions "The Un-Cola Guy," referring to Geoffrey Holder, who did commercials for 7-Up in the 70's and 80's.
This episode is on the Volume 10.2 DVD Box Set of Mystery Science Theater 3000.