On Earth-2, the team races to find Zoom's lair and asks for help from the most unexpected source. Meanwhile, back on Earth-1, Caitlin rushes to perfect Velocity-9 so that Jay can stop the Geomancer.

Louis and Jessica are reeling after Cattleman's Ranch receives a less-than-desirable review on the website Phil's Phaves. Determined to make it right, they invite the critic back to the restaurant and are shocked to discover that Phillip Goldstein is the reviewer. When he gives them an even lower grade the second time around, Louis and Jessica go all out to bring him and his website down. Meanwhile, Eddie's romantic mix tape for Alison gets into the wrong hands.

Hunter Hayes, Ciara, Estelle, Ta'Rhonda Jones, and Tyler Hubbard and Brian Kelley take part.

When Secretary of the Navy Sarah Porter learns her daughter has been kidnapped, the NCIS team partners with the FBI to track the case, determine a motive and bring her home. Also, McGee's childhood friend, NCIS Special Agent Valerie Page, is in town to assist the team with advance tactics training.

While new discoveries are made in the investigation of Charlotte's murder, the truth begins to emerge about the Liars' personal lives. Spencer is concerned to learn her mother is keeping a secret of her own. Aria confesses to Liam how deeply she's involved with Ezra's book. Ali admits that she and Elliott are more than just friends. Mona reveals where her true allegiances lie. Caleb, Spencer and Hanna deal with the complications of new relationships.

Meanwhile, Emily and Hanna each receive shocking threats that elevate the seriousness of the situation.

When Nick's attraction to Reagan starts affecting Schmidt and Cece's relationship, they enact a plan to demystify her, in hopes of helping Nick get over her. Meanwhile, Winston teaches Reagan the art of the breakup.

Miss Piggy goes to an aerial silks class in at attempt to make new friends and Gonzo, Pepe and Rizzo fall under Pache's spell.

When Gerald starts getting online threats from a bully, Jimmy tries to protect him. Meanwhile, Sara and Vanessa take matters into their own hands and pay a visit to the bully's mother - which only makes things worse.

When Jake insults Hitchcock and Scully's work ethic in the precinct, they force their way into one of his cases in attempt to prove themselves. Meanwhile, Amy and Gina help Rosa conquer one of her biggest fears, and Holt and Boyle work a celebrity case.

When a mystery man saves the life of a Lieutenant and then disappears from the scene, the NCIS team unravels a new case when forensic evidence suggests he is a soldier who was captured in Afghanistan years ago and never found.

When Peggy realizes she cannot save Wilkes on her own, she turns to her most unexpected adversary for help while Whitney makes a move to control the deadly Zero Matter.

Johnny considers running for town council; David and Stevie look for love; Alexis copes with being single.

Liv and Detective Babineaux investigate the murder of Corey "Big Fish" Carp, who they learn got his nickname not because of his last name but because he was a well-known pathological liar. Ravi makes an unsettling discovery and Blaine is reunited with someone from his past. Meanwhile, Major finds himself in a precarious situation.

Dr. Rhodes and Dr. Downey make plans to operate on Ray, a 9/11 hero who is suffering from pulmonary fibrosis. A new set of lungs could save his life through an innovative surgical procedure but an unforeseen medical problem arises with Ray that might derail the doctor's grand plans. Sarah contemplates which hospital to select for her residency match while Maggie and April make their push for her to remain at Chicago Med. Meanwhile, Dr. Choi works to determine the cause of an injured teenage star hockey player with an overbearing father while Dr. Halstead and Dr. Manning continue to clash.

Danny gets a '62 Caddy which he hopes will be a huge flip; Ryan hatches a secret plan for the car behind Danny's back; Danny and Ryan visit a world class dune-buggy collection.

With Luke in dire need of help, Jace, Clary and Simon take him to Magnus' lair in hopes of saving his life. Once there, the story of how Valentine came to be evil, and Jocelyn and Luke's past is revealed to Clary in hopes of triggering her memory of what happened to The Mortal Cup.

Meanwhile, Isabelle and Alec are tasked to restore their family name in the eyes of The Clave.

Houghton makes a deadly trip up the mountain while the coal company attempts to spy on the Farrells.

Coming Soon...

When Maura is abducted, nothing will stand in the way of Jane and the team bringing her home. Far away, Maura discovers a conspiracy that is bigger than just her kidnapping, with Jane as its ultimate target.

Scott and the pack use a charity lacrosse game in a ploy to learn the identity of the Beast.

Josh is missing his help; production is stopped at Snags' distillery; Chico and Sandra go mountain shining; Patti and David hurry their run as the hunting season starts.

Dean's therapist, Jillian, encourages him to, once and for all, shed his Grinder persona and find out who the real Dean is. Through his therapy exercises, he ends up making others around him evaluate their own issues, much to Stewart's frustration.

Danny attempts to get the derailed '62 Caddy project back on track; Ryan tries to makeup for a mishap by finding a flip or two for the shop.

When Gerry is suddenly promoted from sub to full-time teacher, his initial thrill is quickly squashed by the realization that he's back to real teaching responsibilities.

When she informs the others about Delia's affair, Abbey finds herself being uninvited from Delia's wedding. She decides to try and focus her energy on completing her book but things start to unravel.

As Peggy plots a rescue mission, Whitney hunts for even more dark power; and Jarvis learns he should not make promises he cannot keep.

After a list with the real identities of undercover bureau operatives leaks, Brian develops a personal connection with FBI Agent Lucy Church, a tenacious rule-breaker, when he helps her finish a field case before she's exposed. Also, Sands makes a surprising move to end Rebecca's investigation into Senator Morra.

Wil and Amberle desperately search for Eretria to save her from the vicious elf hunters who kidnapped her. Little do they know, she's stumbled upon a secret settlement of Humans and may finally feel like she belongs. But their utopia is much more than meets the eyes. Meanwhile, Allanon must inspire Ander to accept his destiny.

Marcia Clark announces that O.J. Simpson has been charged. Robert Shapiro seeks advice from F. Lee Bailey and comes up with a provocative strategy. As Shapiro starts putting together "The Dream Team", he must convince O.J. to hire Johnnie Cochran.

Our bladesmiths must choose wisely as they are asked to dumpster dive for the right steel to be turned into a hardened blade of their choosing. Will these blades hold up after a tough round of testing? Only two will move on to forge a War Hammer. After five days at their home forges, the smiths return hammers in hand to pound their way to victory. But in the end only one will nail the competition and be crowned the Forged in Fire champion.

A church youth group gets funky, a fart fetishist receives a visit from a genie, and Daniel pitches a terrible business idea on "Shark Tank".

A security guard foils a robbery when he kills one of the robbers, despite being wounded himself. Jane and Maura work together to solve the case after the search for the robber's accomplice raises some puzzling questions. Jane continues her quest to protect Maura and Angela. But is the price too high?.

Firehouse 51 responds to an odd call from a neighboring firehouse and the unusual circumstances prompt Severide and Cruz to take the investigation into their own hands to search out the real story. The truck welcomes new firefighter Stella Kidd, but her addition has repercussion inside the firehouse. Meanwhile, Casey moves forward in his run for alderman, but begins to realize that some voters have their own personal agendas for wanting him elected.

Jimmy is joined on the show by Zach Galifianakis, Ronda Rousey and Pitbull.

Stephen welcomes Eva Longoria, Abbi Jacobson & ilana Glazer, and a musical performance by Lucinda Williams.

Seth is joined on the show by Anthony Anderson, Famke Janssen and Eleanor Friedberger.

James is joined on the show by Selma Blair, Juno Temple and Ben Feldman.

It is the yearly harvest fair and the daredevil riders of the Wall of Death come to Whitcombe Mallet. After the owner of an equestrian centre is trampled by his horse, DCI Barnaby and DS Nelson learn about a complex feud from the past, where nothing is what it looks like.