Is Matt Hagen a criminal? Or is he just doing what he has to to survive? Clayface returns to Batman: The Animated Series in "Mudslide!" And, this time, he's joined by Dr. Stella Bates... and A LOT of classic movie references! Find out how Hagen's been doing since we last saw him and what Dr. Letamendi thinks about Stella in this episode of The Arkham Sessions!