Regular Show: Benson Be Gone/But I Have a.../This is My Jam/Muscle Woman

Benson gets demoted and has to work with Mordecai and Rigby!/Mordecai and Rigby try to return a mediocre role-playing board game The Realm of Darthon to a grumpy store manager./Rigby gets a terrible, terrible song stuck in his head and will go to any lengths to get it out./Muscle Man breaks up with his girlfriend Starla leaving him an emotional mess and unable to work. Mordecai and Rigby try to get them back together.