Regular Show: This is My Jam/Muscle Woman/Temp Check/Jinx

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. / Rigby hires a temp to do his work but gets jealous when the temp becomes tight with Mordecai. / Rigby must figure out how to unjinx himself without talking.