Guest Star - Mark Sweet

 Mark Sweet has guest starred in 1 episode of Stuart Fails to Save the Universe.

1. 

   110. Spoiler: Filmed Before a Live Studio Audience as Mark Sweet
   Released September 24, 2026

   Stuart and the group are trapped in the comic book store, floating in an endless void, so where is that laughter coming from? Meanwhile, Stuart struggles to understand why Denise is angry with him.

 Find Mark Sweet on IMDB