Kyle is intimately involved in the development of a revolutionary new product called HumancentiPad.

Jimmy hosts the Special Ed Department's First Annual Comedy Awards.

The Prince of Canada is about to take a Princess and Ike is obsessed with the Royal Wedding.

Cartman throws a fit when the boys' penis sizes are posted on the school bulletin board, and is sent to anger management therapy.

Kyle gets in on the ground floor of Cartman's latest business venture, The Crack Baby Athletic Association.

Butters is diagnosed with multiple personality disorder.

Just after Stan's 10th birthday, his worldview starts to change and so do his friendships.

Cartman finds a unique way to cope with Asperger's Syndrome.

Cartman joins the U.S. Border Patrol.

The kids' most scandalous secrets are being leaked on an outrageous new gossip website.

Cartman and his team protect their base against the Meheecans.

Lost in the snow, Butters tries to find his way back to the border.

Mantequilla finds the comfort of a new home.

Cartman discovers that Butters has yet to cross the border.

Butters tries out his new present and breaks into song.

The Ripples drop off Butters, so he can be back with his own kind.

Mantequilla starts a movement for Mexicans to return home.

The U.S. Border Patrol watches as Mexicans flood back home.

Mexicans flee the U.S. in hordes, as Cartman steps up his border patrol game.

Butters wakes up in Mexico to a crowd of adoring fans.