Sleigh bells are ringing! When Erica (Hayley Orrantia) buys a festive baby toy, Beverly (Wendi McLendon-Covey) goes full on Grinch in an attempt to steal Christmas and return focus where she thinks it belongs. Meanwhile, Adam (Sean Giambrone) discovers some surprising information about Brea (Sadie Stanley), and the JTP host their first holiday party in the new holiday episode "Worst Grinch Ever." Troy Gentile, Patton Oswalt and AJ Michalka also star.