When Mordecai offers to pick up a mix tape from his parent's house, CJ decides to go with him and meet his parents. But, from past memories, Mordecai worries that his Mom will embarrass him.
Mordecai, Rigby, and the gang decide to visit Muscle Man's mother on Halloween. On the way the group tells ghost stories, including one where Mordecai and Rigby die and return to haunt Benson.
Rigby tries to prove he can earn a paycheck, but the only job he is qualified for is a strict moving company with a boss that requires him to life boxes with only his back.
After Eileen winning a flat-screen tv, Rigby decides to install her new tv to surprise her. The only problem lies within Eileen's roommate who wouldn't let anything new come around her house.
After Rigby finds out something unusual about Thomas in the night, he decides to explain his friends about the incident. Meanwhile things starts to turn dangerous when they find out the mysterious truth of Thomas.
After preparing for Eileen's Christmas party, Mordecai finds out that his ex-girlfriend Margaret will be there which leaves him extremely nervous since he doesn't want things to go complicated when he's together with C.J..
During an early morning after a late night of partying, Mordecai and Rigby try to take a nap in a patio furniture crate and accidentally get shipped to Australia.
When Mordecai, Rigby and their friends decides to rent a movie on laserdisc, a new prophesy tells them that an all new Format War is heading so they need to be prepared to end the Fomat Wars once and for all.
After a horse, with a love of partying, crash-lands on Earth, Mordecai and Rigby learn that he has to pass his U.S. History exam, or else he can never party again.
When the garage door gets destroyed after a practical joke played by Mordecai and Rigby, they must traverse through a dangerous warehouse to get a new one.
Death Kwon Do-livery: Mordecai and Rigby want to help save Death Kwon Do sensei's life. / Lunch Break: Mordecai and Rigby want to finish a ten-foot sub.