In the Season 4 premiere, extremely intelligent ghosts haunt a young lady; Doug and Claire decide to make a commitment; Kath and Dave cram a lot into a 15-minute period; Sandra discovers a soul mate; and the Date Fact Checker checks up on Fred.
Ecoterrorists get in the face of a makeup company that uses animals to test products; Toni and Candace visit a car wash; Fred discusses how much he misses hip-hop; and Kath receives help from Dave in her efforts to sleep through the night.
A 1980s punk awakens from a coma; a neglected e-mail causes a stir; Nina shares surprising news with Lance; Malcolm and Kris tailgate at a live "Prairie Home Companion" show; and Carrie goes on a date with a tax lawyer.
Peter rushes Nance to a hospital emergency room; Spyke becomes a car owner; Ghavin quizzes a singer whose band passes through town; Fred and Carrie stage a garage sale; dinner-party guests suffer through a story that won't end; and Claire and Doug decide to treat each other like dogs.
Toni and Candace kick it into high gear when they take over the Portland Trail Blazers dance team; Joaquin concocts a smoothie; Sandra drops in on a tattoo-removal parlor; and Malcolm and Kris produce their own clothing.
The mayor organizes a pride parade; Brendan and Michelle finally get around to sampling recreational drugs; the Punslingers christen some new businesses; Carrie's brother visits with his new boyfriend; the police drop in on Toni and Candace; and Spyke and Iris dine at a bad Thai restaurant.
A minister tries to modernize the churchgoing experience; art students create anti-corporate paintings; the mayor inaugurates the city's official 3-D printer; Santa worries about the future of Christmas; a TV-commercial director struggles to be creative; and Lance and Nina's lizard dies.
The Season 4 finale sends the gang on a weekend getaway to New Beavertown, Ore., where Toni and Candace oversee a feminist retreat that is interrupted by a macho bus driver, and Kath and Dave's efforts to relax are disturbed via a surprise entanglement. Also, Peter and Nance do a walking tour of the town in hopes of discovering something special.