Hungry contestants use their primal instincts during an intense immunity challenge; a betrayal makes waves; a scorned contestant decides to seek revenge.

(Originally Aired: Wednesday Oct 12, 2011)

A killer targets survivors of a high-school massacre, who have gathered for a reunion; Hotch fears that his son is being bullied.

(Originally Aired: Wednesday Oct 12, 2011)

The team searches history for clues when the former Mayor of Las Vegas is shot at a mob museum.

(Originally Aired: Wednesday Oct 12, 2011)

Frankie discovers that Axl hasn’t studied for his quickly approaching PSATs; Sue tries out for cheerleading; Mike tries to help Brick toughen up.

(Originally Aired: Wednesday Oct 12, 2011)

When George is welcomed into the PTA, one mom (Ana Gasteyer) is threatened by his popularity; after joining the school newspaper, Tessa helps Malik revamp its style.

(Originally Aired: Wednesday Oct 12, 2011)

Gloria tries to help Jay and Manny with their problems, but both are unreceptive; Claire considers running against Councilman Duane Bailey (David Cross); Cam and Mitch are the victims of a hit-and-run accident.

(Originally Aired: Wednesday Oct 12, 2011)

The gang is inspired when Penny’s consistently optimistic mother (Megan Mullally) visits; Penny discovers her mom is hiding unhappy news.

(Originally Aired: Wednesday Oct 12, 2011)

Recent scandals leave the Graysons on edge; Emily targets the psychiatrist responsible for institutionalizing her as a child; Declan and Jack face a tough decision.

(Originally Aired: Wednesday Oct 12, 2011)

Reagan worries her busy schedule is interfering parenting; Chris gets involved in Amy’s playgroup; Ava stresses about not spending enough time with Reagan.

(Originally Aired: Wednesday Oct 12, 2011)

Whitney re-creates the first date she and Alex never had.

(Originally Aired: Thursday Sep 29, 2011)

Harry and Ollie defend a teenager who is charged with negligent homicide after outing a lesbian classmate who then committed suicide; a tempting job offer could lure Jenna away.

(Originally Aired: Wednesday Oct 12, 2011)

When a dancer is raped by a man with a unique tattoo, details of the case remind Rollins of a serial rapist she was tracking in Atlanta.

(Originally Aired: Wednesday Oct 12, 2011)

The contestants visit the judges’ homes and compete for a spot in the next round.

(Originally Aired: Wednesday Oct 12, 2011)

Nick and Schmidt talk Jess into getting her stuff out of her ex’s apartment; Jess meets her roommate Winston, a basketball player who has just returned from Latvia.

(Originally Aired: Tuesday Sep 27, 2011)

Anastos, Alexander, Gregory and Salzberg.

Gemma asks for a favor; Henry receives crushing news about his writing career; Andrew’s relationship with his daughter continues to be tumultuous; Bridget attends a meeting where she meets a potential sponsor.

(Originally Aired: Tuesday Oct 11, 2011)

The models take part in a runway show featuring fashion designs by Kim, Kourtney and Khloe Kardashian; guest judge La Toya Jackson guides the models during a photo shoot.

(Originally Aired: Wednesday Oct 12, 2011)

The library asks Jerry about a book overdue since 1971.

(Originally Aired: Wednesday Oct 16, 1991)

One of Susan’s dolls looks like George’s mother; Kramer turns pool shark; guest Kathy Griffin.

(Originally Aired: Thursday Feb 22, 1996)

Alex and Harper move into an apartment building with a secret floor for wizards.

(Originally Aired: Friday Oct 07, 2011)

Misunderstood vampires enlist a California boy (Jonathan Lipnicki) living in Scotland to help them retrieve an amulet that will make them human.

(Originally Aired: Saturday Jan 01, 2000)

(Originally Aired: Wednesday Oct 12, 2011)

Alex and Harper move into an apartment building with a secret floor for wizards.

(Originally Aired: Friday Oct 07, 2011)

Vivien and Violet find themselves in a dangerous situation; Ben goes back to Boston to fix a mistake.

(Originally Aired: Wednesday Oct 12, 2011)

Dana hosts a game night.

(Originally Aired: Monday Oct 10, 2011)

The artists must use pieces of ”bad” art.

(Originally Aired: Wednesday Oct 12, 2011)

Classic carnival cuisine.

(Originally Aired: Wednesday Oct 12, 2011)

Testing a viral video that uses wrecking balls to transfer energy.

(Originally Aired: Wednesday Oct 05, 2011)

An experiment to see if a blindfolded man can walk a straight line; testing whether binary explosives can be set off by a fender bender.

(Originally Aired: Wednesday Oct 12, 2011)

Seven claims include that a torch fueled by bacon will cut through steel and that wallpaper can withstand a wrecking ball.

(Originally Aired: Wednesday Oct 12, 2011)

The team uncovers a sinister plan when a controversial DJ and a naval officer are shot to death.

(Originally Aired: Tuesday Oct 19, 2010)

Abby becomes fixated on solving a murder; DiNozzo’s latest fling leads to an interesting Halloween.

(Originally Aired: Tuesday Oct 26, 2010)

Shawn discovers a body when trying to retrieve a Darth Vader collector’s item.

(Originally Aired: Wednesday Oct 12, 2011)

(Originally Aired: Wednesday Mar 17, 2010)

(Originally Aired: Wednesday Oct 12, 2011)

(Originally Aired: Wednesday Oct 12, 2011)

Australia’s Black Mountains; a dark forest at the base of Mount Fuji in Japan.

(Originally Aired: Wednesday Sep 28, 2011)

(Originally Aired: Wednesday Oct 12, 2011)

Buddy, Mac and Scott travel across America to try and uncover the mysteries behind the Declaration of Independence.

(Originally Aired: Wednesday Oct 12, 2011)

Jeremy travels to Belfast for a test of the Renaultsport Twingo 133, involving a tunnel, a ferry and Ross Kemp; Guy Ritchie.

(Originally Aired: Monday Apr 05, 2010)

A deathbed confession of murder shakes Ronnie to the core.

(Originally Aired: Wednesday Oct 12, 2011)

Luther is determined to protect Jenny; Luther must investigate seemingly motive-free murders.

(Originally Aired: Tuesday Jun 28, 2011)

The largest person in an athletic family must stand on the sidelines.

(Originally Aired: Tuesday Oct 11, 2011)

Sam and Nate pull a prank on their roommates; sparks fly between Zach and Ashley; Frank becomes belligerent while drinking.

(Originally Aired: Wednesday Oct 05, 2011)

Tension is high after Frank hooks up all over the house; a roommate may leave.

(Originally Aired: Wednesday Oct 12, 2011)

New hip-hop products; ”Great Moments in Hookup History”; ”Ask a Black Dude”; musical performance by Fat Joe.

(Originally Aired: Wednesday Feb 19, 2003)

The World Series of Dice; actor Eddie Griffin; musical guests Common and Kanye West.

(Originally Aired: Wednesday Mar 03, 2004)

Randy’s obsession with the Food Network forces Sharon to explore a new interest of her own.

(Originally Aired: Wednesday Nov 17, 2010)

Cartman copes with Asperger’s Syndrome.

(Originally Aired: Wednesday Oct 05, 2011)

(Originally Aired: Wednesday Oct 12, 2011)

An unfortunate bathroom mishap; a space alien paternity test; a cleaning product.

(Originally Aired: Wednesday Oct 12, 2011)