One of Brian's old friends tries to talk him into getting neutered; Lois defies Peter's wishes and gets a pixie cut, which makes Peter try to out-embarrass her.
Cleveland takes energy pills to earn vacation time to go on a cruise, but his addiction forces him into rehab and his attempt to escape to the cruise goes wrong
When Cleveland is labeled "The Whitest Man in America," he wants to learn about his roots, and is reunited with his former nanny, a very high class woman.
When Cleveland develops a friendship with his female co-worker, Donna gets jealous; Rallo and Cleveland Jr. make a music video at Cleveland's workplace.
As citizens of South Park prepare for the Fourth of July, a law is declared making fireworks illegal throughout the town, causing the boys to hate summer.
Kramer and Newman invent a lucrative recycling scheme for Mother's Day; Jerry has trouble with his auto mechanic; Elaine buys Kennedy's golf clubs for Peterman.
Kramer aborts the recycling mission when Jerry's stolen car is spotted; Newman gets into hot water when he has a moment of weakness with a farmer's daughter.
George's dreams of personal time are shattered when he is roped into heading a foundation for the memory of Susan; Kramer spars with children in Karate class.
Kramer finds a soul mate, who unfortunately is also Jerry's latest girlfriend; Elaine's new boyfriend gets a vasectomy to prove how much he doesn't want kids.
Elaine hangs out with Kevin and his friends, who are strangely similar to Jerry and company; Jerry dates a girl with man hands; Kramer takes care of business.
The warehouse guys win the lotto and quit; Andy and Darryl search for new warehouse employees while Jim, Erin, Dwight and Kevin get a taste of warehouse life.
Andy throws a garden party to impress Robert California, which Dwight thinks he's made a classy event, but Andy's family attends and makes him feel self-doubt.
Erin has a hard time trying to make the Halloween party at the office exactly how Andy and Robert California want; Jim and Pam debate whether ghosts are real.
Dwight takes it upon himself to help with overall office efficiency by installing a doomsday device that will get them all fired if they find too many slip-ups.
When Pam takes maternity leave, she has Dwight try to prove that Jim finds her temp attractive; Robert California asks to join Andy, Darryl and Kevin's band.
Attempting to motivate and inspire everyone in the office, Andy decides to take them on a field trip to Gettysburg; those who stay behind brainstorm for ideas.
Jim returns after being away for jury duty and a curious Dwight will not stop questioning Jim about the case; Angela and the Senator welcome their new baby.
Stan's Uncle Jimbo takes the boys on a hunting trip, unaware the town's dormant volcano is on the verge of erupting; Cartman tries to invent an urban legend.
The kids turn to Chef for genetics advice after deciding they want to mate a pot-bellied pig and an elephant in order to teach a smarmy classmate a lesson.
Stan's elderly grandfather tries to trick the boys into killing him; the parents of South Park band together to protest a profane cartoon, Terrance and Phillip.
The living dead beset South Park after a bottle of Worcestershire sauce mixes with embalming fluid at the mortuary; Tina Yothers judges a costume contest.