After Christine's accused of being responsible for an outbreak of lice at Westbridge, Christine decides to pull out Ritchie and send him to a public school, which turns out to be harder than she thought it would be.

The finalists find out who received the lowest number of votes on the American Idol Results Show. There were performances by Flo Rida and Kellie Pickler.

Still upset that Calvin was seen kissing Mercedes, Miranda decides to leave. While on her own she meets a woman, but there maybe more to this lady than meets the eyes.

Ella's demanding mother comes for a visit and seems to be having trouble with remembering things, causing Ella to worry she may have Alzheimer's disease. Meanwhile back at the barbershop, Floyd is shocked when his supposedly dead wife emerges.

Large doses of electricity, Parachute opening

The Janitor invites the Sacred Heart staff to his wedding with Lady in the Bahamas on a three days notice, hoping to score some loot, but the scheme is about to backfire, when everyone decides to actually go there...

TAPS heads over to the Belcourt Castle located in Newport, Rhode Island to investigate claims of the paranormal.
Later, on the second half of the episode, TAPS heads over to Somerville, Massachusetts to investigate Sacco's Bowl Haven, which is an old-time candlepin bowling alley.

The BAU is called to Texas to investigate a serial killer who is targeting vacationing students on spring break on South Padre Island.

To atone for sins of the past, Ben must attempt to summon the smoke monster in order to be judged.

2 Hour Season Premiere!
Flipping a Bus (Based on the Movie "Speed")
Fan Revisit!: The Car Pancaked Between 2 Trucks!
Hollywood Crash Tests into a Fruit Cart!
And Can a Car survive a 4,000 Foot Drop?

Dr. Cal Lightman and his colleagues investigate a construction site building collapse. They attempt to save three men trapped inside the building.

A new security system creates racial problems.

The models take an acing class which will be judged by Clay Aiken, followed by season 11 winner McKey helps the remaining ladies in preparation for a cosmetics commercial shoot.

The first half of the season is recalled.

When Gary's bowling team makes the championship, he tries to motivate them. But when one player quits the team right before the championship game, Gary struggles to find a replacement.

Stella remembers something about the latest crime scene and murder didn't really happen.

Cartman and Jimmy come up with the funniest joke of all time and it takes off everywhere. But when someone else takes credit for the joke, the boys are furious.

Crews continues his search for Reese, who disappeared while working with the F.B.I. In the course of his investigation, he discovers details about a conspiracy against him.

Sixteen fighters now compete to be part of Team USA coached by Dan Henderson.

Det. Casey Shraeger was working in vice until a fellow officer is murdered. She is quickly moved to homicide to help investigate the murder, and find out if he was crooked or not. Casey begins to find out some interesting facts about her new co-workers.

Jones and Garcia must accompany a murderer to Thailand, but the three cause trouble on the flight.

Guests: Speaker of the House of Representatives Nancy Pelosi

Tonight Stephen welcomes the editor at large for the San Francisco Chronicle, Phil Bronstein.

The boys go off to Work Experience. Will to his disgust ends up at a garage by mistake. Simon is chased by a younger woman and gets beaten up by a 12 year old boy.