Jake invites his girlfriend and Amy's boyfriend to join them on their work trip; Rosa refuses to admit she's sick; Charles wants to help Holt with his anniversary breakfast.
The Pontiac Bandit is back in custody, where his knowledge of a Giggle Pig dealer earns him a plea deal; Gina and Boyle worry their parents are getting too close; Santiago makes Holt a Christmas present.
Jake ruins a detectives-only getaway to Charles' beach house by inviting Holt; Charles helps Rosa be romantic with her new boyfriend; Gina tries to get Amy drunk.
When Sophia's relationship with Jake conflicts with her job, Jake tries to make things right with her boss (Chris Parnell); Wuntch (Kyra Sedgwick) asks Holt for help.
When PETA demonstrates against the use of a cow as South Park Elementary's mascot, the student body is forced to choose a new one; as the election approaches, Kyle and Cartman try to get votes for their candidates.
Jim is forced to abandon Michael at a gas station after receiving an emergency phone call; Erin, Dwight and Holly (Amy Ryan) search for Michael; Pam's art inspires a captioning contest that appears to offend Gabe.
Public displays of affection between Holly and Michael make everyone uncomfortable; Jim and Pam experience the aftermath of a bottomless champagne lunch; Andy tags along on Erin's romantic treasure hunt.
Humans from the year 4035 are arriving in South Park through a time portal looking for work; when the boys try to earn some extra money, the time immigrants, willing to do the same work for next to nothing, do their jobs.
The streets of South Park are like a ghost-town when a giant Wall-Mart lures all the townspeople with its incredible bargains; Cartman becomes a boy possessed by the power of Wall-Mart.
For five long years, Stan, Kyle, Kenny, Cartman and Butters have kept a secret about an illegal incident that happened back in preschool; now, the kid who took the fall for the group, Trent Boyett, is out for revenge.
Cartman suffers a severe blow to the head after a nearly fatal fall; the local police force naturally assume Cartman now has psychic powers and they employ him to solve outstanding crimes.