Party Horse

"Party Horse" is the twenty-first episode of season six (and one-hundred and seventy fourth episode overall) of Regular Show. It will air on March 19, 2015.

Synopsis
The guys are determined to help Party Horse pass his U.S. history test.

Plot
TBA

Characters

 * Mordecai
 * Rigby
 * Party Horse

Gallery
The gallery for "Party Horse" can be found here.