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

   Suddenly back in the comic book store, the gang must make sense of where they are in the universe...and where is that laughter coming from? Meanwhile, Stuart forgets an important date.

 Find Mark Sweet on IMDB