When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.

(Originally Aired: Thursday Apr 05, 2012)

Audrey raises funds to help her maid get an operation, but then learns she misunderstood why the money was needed.

(Originally Aired: Thursday Apr 05, 2012)

When the machine names the dons of New York’s crime families, Reese and Finch suspect that Elias is targeting his competition.

(Originally Aired: Thursday Apr 05, 2012)

Jane and the team try to find the killer of a well-liked teacher; Cho and Summer hide their relationship; a special delivery arrives for Rigsby.

(Originally Aired: Thursday Apr 05, 2012)

Becca’s CIA mentor (Keith Carradine) helps search for Paul’s assassin; Michael receives a severe warning that explains what would happen should he try to escape.

(Originally Aired: Thursday Apr 05, 2012)

An escaped lion puts lives and relationships in danger; Lexie hears Mark talking about moving in with Julia; Teddy begins to come to terms with Henry’s death; Callie asks Arizona about her past relationships.

(Originally Aired: Thursday Apr 05, 2012)

When a young lawyer starts a new job at a crisis management firm, she must deal with an accusation against the nation’s president on her first day.

(Originally Aired: Thursday Apr 05, 2012)

As a disagreement about pillows and blankets transforms into a war on campus, Jeff tries to negotiate a truce.

(Originally Aired: Thursday Apr 05, 2012)

Pete’s self-evaluation spurs Jack to take him on as a project; Tracy discovers he likes the way Liz smells; Kenneth helps Jenna with revenge.

(Originally Aired: Thursday Apr 05, 2012)

When Robert decides to sell his mansion, Kevin suggests he throw a pool party for the office; Erin flirts with Dwight to get Andy’s attention; Robert gives a tour of his home.

(Originally Aired: Thursday Jan 19, 2012)

Chris becomes jealous when Reagan starts working more closely with Luke (Steven Pasquale); Ava hires a trainer (Fred Armisen) after learning her rival (Megan Mullally) will be competing against her in a run for charity.

(Originally Aired: Thursday Apr 05, 2012)

A hostage situation leads to Detective Britten unexpectedly collaborating with Dr. Lee; Bird is concerned over Britten’s lack of sleep.

(Originally Aired: Thursday Apr 05, 2012)

Contestants face elimination; The Wanted performs; Jennifer Lopez premieres her new music video.

(Originally Aired: Thursday Apr 05, 2012)

Martin comes across a man who has a history with his late wife; a couple that has an instrument-repair business works with an Iraqi band; the band’s teenage fan wants to share his comedic talent with a U.S. soldier.

(Originally Aired: Thursday Apr 05, 2012)

Four defeated chefs get a second chance; mystery ingredients in the appetizer round; lambs hearts in the entree basket.

(Originally Aired: Tuesday Jul 26, 2011)

Udon noodles and a brightly colored veggie in the appetizer basket; onions in the dessert.

(Originally Aired: Tuesday Aug 16, 2011)

Pasta and spicy candy in the dessert; mystery ingredients in origami inspired desserts for the candy test.

(Originally Aired: Thursday Apr 05, 2012)

A man is beaten to death in broad daylight; a murder victim may not have been the intended target.

(Originally Aired: Thursday Aug 18, 2011)

A Dallas grandfather is robbed and murdered in his bedroom; a drive-by shooting in Miami results in the death of an innocent young woman.

(Originally Aired: Thursday Apr 05, 2012)

An online predator may be behind the disappearance of an aspiring model; police race to locate a mentally disabled man before he becomes a victim of street violence.

(Originally Aired: Thursday Apr 05, 2012)

The biggest storm since Hurricane Katrina heads straight for the swamp; Joe and Tommy reunite on a mission to stay ahead of the storm; Troy Landry breaks up his boats to conquer multiple territories at once..

(Originally Aired: Thursday Mar 29, 2012)

Troy faces the treacherous conditions of Tropical Storm Lee short handed; rising water levels blanket Bruce and Ron’s boat launch; Joe and Tommy head out across a lake to run their lines as fast as possible.

(Originally Aired: Thursday Apr 05, 2012)

It’s the final week of the invitational and the last chance to catch a mammoth beast.

(Originally Aired: Thursday Apr 05, 2012)

Cast members reunite and discuss the season.

(Originally Aired: Wednesday Apr 04, 2012)

Pauly auditions to become the resident DJ at the Palms Casino.

(Originally Aired: Thursday Mar 29, 2012)

Justin Bieber pranks celebrity friends: Taylor Swift, Rob Dyrdek and Sean Kingston.

(Originally Aired: Thursday Mar 29, 2012)

Bam Margera pranks Tyler the Creator; Ronnie Ortiz-Magro; Tyler Posey.

(Originally Aired: Thursday Apr 05, 2012)

Ryan’s fight makes everyone tense; Ryan melts down, putting Pauly’s residency in jeopardy.

(Originally Aired: Thursday Apr 05, 2012)