Details
An alien pod crashes onto Earth and an alien horse known as Party Horse turns to Mordecai and Rigby to help him pass a U.S. History test.
- Animation, Comedy
- English
Cast & Crew
- J.G. Quintel , William Salyers , Mark Hamill , Sam Marin
- J.G. Quintel
- Ryan Slater, Curtis Lelash, Brian A. Miller, Rob Sorcher, Jennifer Pelphrey, J.G. Quintel