An homage to the movie Clue (1985) (thus the episode title), guest starring three actors from the 1985 movie: Martin Mull, Christopher Lloyd, and Lesley Ann Warren. The episode is dedicated to Madeline Kahn. The show featured viewer-selected endings, voted separately on the East and West Coasts. Written by
Did You Know?
(At around 40 mins) Shawn tells everyone he's going to tell them who the real killer is. His speech affectation in this scene is a nod to Tim Curry, who was also in the Clue movie that this episode references. See more
When questioned at the beginning of the episode the butler stated that the chocolate room "somewhere near the living room" but in Shawn's flashback of the same statement the butler says "somewhere off the living room". This doesn't match with how Shawn's eidetic memory normally works and creates an unreliable narrator problem since his perfect memory is how he solves crimes. See more
References Blue's Clues