When a female impersonator is murdered, Laura and the team dive into the raucous New York City drag world. Meanwhile, Laura reconnects with an old friend, leading to a wild night out on the town.

Hollywood Week, Part 3! Host Ryan Seacrest and judges Jennifer Lopez, Keith Urban and Harry Connick, Jr., continue their search for the next superstar! More than 200 contestants were chosen from around the country and now the true test begins. Tonight, the singers will form lines of 10 and be asked to perform for the judges again. Those who survive will move on to the group rounds.

A young man claiming to have psychic powers offers his help to the FBI in solving a pair of murders, but when he leads them to additional victims, Jane and the team begin to suspect that he is in fact the killer they're hunting.

Valentine's Day aims its sights on the Heck kids when a nervous Brick finds out that his quirky girlfriend Cindy wants him to kiss her on the special day, Darrin asks Frankie and Mike to help out with an exciting scavenger hunt he's putting together for Sue, and Axl begins to question his girlfriend Devin's request that he not give her anything for what she considers to be a lame tradition.

Mel and Joe write their thank you cards to everyone who sent them a wedding gift. Mel goes overboard thanking her Aunt Bunny and Uncle Bert for a huge cappuccino machine she and Joe actually hate. She has Joe return the machine to the store, but then gets notice that Bunny and Bert are on their way to visit the newlyweds.

Meanwhile, Marco gets an offer he can't refuse.

Oliver is thrown by the changes within Team Arrow. He's used to calling the shots but sees that the team has evolved in his absence and tensions quickly escalate in the lair. Oliver is furious that Laurel has been going out as the Black Canary and tells her to stop risking her life, but when Vertigo hits the streets again, Laurel goes against Oliver's wishes and tracks down Vertigo who hits her with a full dose of the drug. Laurel's biggest fears revolve around her sister Sara so the Vertigo causes her to hallucinate an epic fight between Canary and Black Canary. Meanwhile, Chase surprises Thea, and Roy warns Thea to stay away from Malcolm.

When Adam passes on a family ring to convey his feelings for Dana, Beverly can't seem to accept her little boy having such deep feelings at his age. Meanwhile, new couple Lainey and Barry convinces Murray to watch football with Lainey's dad. They soon realize the fathers root for opposing teams and Barry is left to decide between his love for the Eagles and his love for Lainey.

Ben and Danny bet on who will be the first one to find Bonnie a decent guy to date.

Tensions between Clarke and Abby come to a head after Clarke crosses the line. Raven helps Bellamy navigate Mount Weather. Jaha and Murphy encounter a stranger who may not be what she seems. Octavia is prepared to fight for someone she loves. Meanwhile, things reach a breaking point at Mount Weather.

Vernon is caught in the middle of a very sticky situation. Meanwhile, Jamal is rising to stardom, but his newfound drive and ambition might stir up trouble in his relationships. To make matters worse, a mystery woman from the family's past shows up with a huge surprise.

Everyone clings to hope that Andy is going through after his car accident. Paige and Sean grow closer and connect over being artists. Jamie's bold gesture to win over Lolly backfires.

Upon their arrival in Africa, Aminata leaves the Loyalists behind to find her way back to her home village of Bayo.

Mike and Frank stage a picking intervention in Massachusetts and later, help a collector whose massive stockpile is facing eviction.

One of the ancient world's most iconic buildings, the Colosseum is a monument to Roman imperial power and cruelty. Its graceful lines and harmonious proportions concealed a highly efficient design and advanced construction methods that made hundreds of arches out of 100,000 tons of stone. In its elliptical arena, tens of thousands of gladiators, slaves, prisoners, and wild animals met their deaths. Ancient texts report lions and elephants emerging from beneath the floor, as if by magic, to ravage gladiators and people condemned to death. Then, just as quickly, the Colosseum could be flooded with so much water that ships could engage in sea battles to the delight of the crowd. Now, archaeologists and engineers are teaming up to recreate a 25-foot lifting machine and trap door system capable of releasing a wolf into the Colosseum's arena for the first time in 1,500 years. Do they have what it takes to replicate the innovation and ingenuity of the Romans?

Victims in California have the BAU searching for an UnSub who may have witnessed abuse as a child. Meanwhile, Kate shows parental concern when her niece, Meg, makes a date with a friend to meet a boy they met online.

Video game developer Raina Punjabi solidifies the launch of her first game amid a stream of online insults, intimidation and death threats from the male-dominated gaming community. When a female employee is assaulted at a gamer convention, Detective Tutuola investigates the crime but Raina refuses to delay the launch, and the cops must "level up" to protect her.

The final chefs take an early-morning hot-air balloon ride in the Season 12 finale. They then face off by creating a four-course menu, after which the winner is revealed.

Valentine's Day means 'Juliana' and 'Clive' are back, but things get worrisome when Claire starts sensing Phil may be more into Juliana than her. Jay goes from feeling disappointed to scared when Gloria's visiting sister becomes a larger deterrence for a romantic evening with Gloria than he thought. Mitchell and Cameron get themselves in a precarious situation with a good friend.

Although Dre and Rainbow find they always end up quarreling on their annual Valentine's Day date, this time around, Dre is determined to do everything right and keep the peace. Meanwhile, Diane realizes she may not have received many Valentine's cards because she is too critical, so her siblings decide to teach her how to give a compliment

When the Mayor asks Paul to participate in Boston's annual Comic-Con, Mark insists Paul take him up on the opportunity. While Paul agrees to create a special burger to hand out at the convention, Drama, Kari and Paul's kids still struggle to get him into the true, costumed Comic-Con spirit. Meanwhile, when Donnie and his New Kids on the Block bandmates are awarded a star on the Hollywood Walk of Fame, it sends him, Alma and Danny Wood's father on sentimental journeys filled with their favorite NKOTB memories.

When Jep and Jessica move into Willie and Jase's neighborhood, Jep is sidelined with an illness, causing Willie and the Robertson family to pitch in and help Jessica get her new house ready in time for Jep's arrival home. Meanwhile, Jase and the guys visit a redneck auction to find Jep the perfect housewarming gift.

Bunny comes to Lindsay concerned about a suspicious repeat customer at her husband's rental company. This lead brings Intelligence into a case which robbery-homicide has been working for months. Detective Gina Gawronski downloads their intel to the team, she also happens to be Antonio's former co-worker from Vice. Voight doesn't trust Bunny's motives for the tip.

When a young woman is harassed by a mob of people, Beth and Jack realize they are dealing with a rare case of group stalking. Ray escalates his plan to isolate Beth from her closest allies.

Mac and Dennis convince Dee to help them spy on the fish factory; Frank and Charlie become suspicious of the other three and investigate.

Keira and Malik share a tender moment; Chardonnay's divorce party; Kelly returns to San Diego.

Harvey and Louis take a drive to aid an out-­of-town client to whom they both have deep ties; and Harvey uses the opportunity to force a confrontation between Louis and Mike about their trust issues. Meanwhile, in a flashback, we discover the root of Harvey and Louis's competitive relationship in their early days at the firm. And Mike first learns the limitations of his genius when it comes to the law.

A wild night at a neighbor's house leads the guys to question the nature of their relationship.

Alex and Dana try to save a single mother's life; a hockey player's mobility is at stake; Charlie gets advice on winning back Alex; Sydney comes clean.

Rumors start to fly surrounding Rayna and Luke's breakup but Rayna's determined not to let them bring her down and finds a way to return to the public eye on her own terms. Juliette's pregnancy is starting to make her stir crazy and she's eager to get her career back on track, but at what cost? Then, Scarlett plans a surprise for Deacon, but it doesn't pan out as she had hoped. Later, Gunnar travels to Austin to mend fences with his estranged nephew and Teddy stops by Maddie and Daphne's recording session at school where he unexpectedly runs into Jeff.

Danger mounts for Elizabeth and Philip as they get closer to the inner circle of the C.I.A. Afghan Group. Stan monitors Zinaida. Agent Aderholt challenges Agent Gaad on a crucial operation. Arkady tasks Oleg and Tatiana with gathering high-level intel. Martha proposes a lifestyle change to Clark.

The girls search for the ultimate party, revealing a strange and surreal side to Abbi that confirms Ilana's greatest fear.

Annoyed with Josh's lack of romantic progress, Cupid takes it upon himself to set Josh up with a knockout named Whitney. Unfortunately, Josh's insecurity and jealousy issues threaten the budding relationship.

Colin Firth

Conan O'Brien was joined by Anna Kendrick and Gabrielle Union, plus music from Lee Ann Womack.

Larry tackles viewers' questions about the anti-vaccine movement, obesity and beauty standards with Anthony Anderson, S.E. Cupp, Michaela Pereira and Rory Albanese.

Tonight Jimmy's guests are actor Hugh Grant, basketball player Charles Barkley and comedian Kyle Kinane.

David Letterman was joined by Bill Belichick and Elisabeth Moss, plus music from Madisen Ward and the Mama Bear.

Lauren Cohan, Robert Kirkman and Josh McDermitt compete to determine who has the funniest take on the day's pop culture.

Seth was joined by William H. Macy and Kenny Smith, plus music from the Districts.

Host: Wayne Brady; Guests: William Shatner, Cesar Millan

The Swifts try to make their new identities work as Mitch and Tara start at a new school. Bec and Lincoln distrust Pinder as the case against Nils stalls.

Henry goes out on a date with a complete stranger, while Lance's night sees him ending up in an unexpected bed. Cleo meets a former flame whilst Freddie hooks up with Anna.

Saint Marie celebrates getting through to the final of the Inter-Island Volleyball Championships, but the party atmosphere is short-lived when one of the players is stabbed through the heart.

With such a high-profile murder, DI Goodman and the team are under pressure to solve the crime as soon as they possibly can, while Commissioner Patterson squares up to old enemy Anton Burrage, the governor-elect of the rival volleyball team's island.

Dan and Frank travel up the coast in search of a suspect. But Dan's feelings for Elena are threatening to overwhelm him.

Helen attempts to take a tough line with her former boyfriend Eddie but her birthday ends in disaster after he takes revenge.

After transforming himself into 'Fleshy Guy', Cyborg discovers the delight and agony of being human.

Steven pays a visit to the lighthouse to watch some scary movies with Ronaldo, Lars and Sadie.