After encountering what appears to be a talking whale at a sea park, the boys decide that it is their duty to return the creature to its native habitat.
Towelie writes a book that gets selected for Oprah's book club and helps a lot of people with their addictions, until one of Oprah's staff lets the truth out.
Cartman gets upset that unruly behavior is occurring around him, as the new hall monitor helps Kyle end his little brother's affair with a hot teacher.
Leslie takes time to celebrate her first year as a city councilor; Andy enlists the help of retired Special Agent Burt Macklin to help with an investigation.
Leslie, Ben and Chris visit Eagleton to talk with a city councilor about some financial matters; Ann goes with April to veterinarian school orientation.
A minor scandal breaks out in Pawnee and Leslie is forced to go on damage control when it blows out of proportion; Ben tries to encourage Ron to write a Will.
An emergency late-night filibuster forces Leslie to make an early exit from birthday party she had thrown for Ben; Ron and Donna decide to go hunting together.
Pam's contractions start but she and Jim are determined to wait it out so that they can have more time together, and the rest of the office tries distractions.
Michael becomes suspicious of his girlfriend and thinks she is cheating on him, so Dwight investigates; Andy is frustrated when his complaint is ignored.
Michael refuses to fire the new office assistant despite getting complaints; Andy plays it cool when Erin is interested in someone else; Pam pulls a prank.
Andy invites the entire office to see his production of "Sweeney Todd"; Michael tries to suppress his jealousy; Pam and Jim deal with an incompetent babysitter.
A competing sales associate steals a client, so Michael, Jim and Dwight try to learn his secrets; Andy decides to start a band like an old college friend.
In the 1980s, a down-on-his-luck wedding singer who is left at the altar on his wedding day falls in love with a waitress who is engaged to a wealthy jerk.
A single father and a single mother, who don't like each other, are forced to share a suite at a luxurious African safari resort for a week with their children.
Cartman decides to find out which student at the school is responsible for starting a lice outbreak; a louse tries to stop the deaths of all his friends.
The number of homeless people in town is on the rise, and while the boys' parents are generating ideas to help the homeless, the boys try to stop the influx.
The boys are impressed by Randy Marsh's latest achievement in the bathroom, all agreeing that it could be a world record, until someone else wants the title.