Shortly before Elizabeth is to deliver a speech at the United Nations accusing Russia for the attack on Air Force One, Henry shares information that makes her reconsider her theory.

Baird's old friend finds himself embroiled in a scandal in the form of a missing intern and a contract with the devil; Baird must battle for the souls of all the librarians.

In a Camelot flashback, Hook becomes a Dark One and his lust for revenge against Rumplestilskin is re-ignited. When Emma and Hook disagree about their best course of action, the final pieces of the puzzle are revealed as events in Camelot catch up to the present and we witness a charged confrontation between the forces of light and dark that sends our heroes on a collision course with destiny. Meanwhile, in Storybrooke, Hook's centuries old lust for revenge against Gold puts both of their fates in jeopardy while Emma's love faces the ultimate test as she tries to convince Hook to turn away from the darkness before she, Mary-Margaret, David and Regina embark on a new mission as an unexpected evil is released.

Kylie celebrates her graduation. Kim has troubles dealing with her pregnancy.

A personal loss and subsequent pilgrimage to Miracle offer clues on why Meg embarked on her path as a Remnant crusader. After a fallout with Laurie, Tom seeks to reunite with Meg.

Briggs Oil is celebrating its 30th Anniversary, and the party must go on, even in the wake of the intensified federal investigation into Hap's business dealings. Suspecting there's an informant in his ranks, Hap clamps down on security and nearly exposes his son, Wick, as the source of the leak. This leads Wick to recruit an unlikely accomplice in his desire to bring down his father. Meanwhile, Annie sets up shop in Rock Springs with her new partner, Billy, who finds himself increasingly preoccupied as his lies begin to catch up to him in the form of Gary Laframboise, who threatens to expose the truth about Billy.

A biological weapon is used in a failed assassination attempt on a government official; John, Natalie and Malcolm must stop a domestic terrorist group from deploying a virus.

Things get dicey when four returning GGG champions make an innovative appetizer whose details are dictated by four tumbling dice. Then, chefs must make upscale lunch using Clearance Cart items that rate low on the gourmet scale. Finally, pigs fly when the two final chefs turn the ingredients for gingerbread cookies into a pork dinner. The winner earns an encore Shopping Spree and a spot in the tournament finale.

Alicia and Lucca join forces with Louis Canning to defend a website accused of racial profiling. Meanwhile, Eli and Ruth worry about the nature of Alicia's relationship with Jason and how it could impact Peter's presidential campaign.

After a few moments of peace, trouble finds its way to Alexandria again with a threat that may be too big to defeat.

The CIA and BND make a play.

After Shelby stumbles upon a rare historical artifact, he forms an alliance with Professor Sam Hyde of Southeastern Louisiana Univeristy. They realize they will be the perfect team to discover the lost history of the Swamp bringing together Professor Hyde's historical knowledge and Shelby's lifetime of experience in the bayou, scouring the deepest parts of the Swamp to hunt for lost treasures. From early Native American settlements to the Civil War Battles, the Louisiana Bayou has some key moments in history. It is now up to Shelby and Professor Hyde to uncover evidence and preserve the history of the Swamp for generations to come.

Executive Producer Robert Kirkman and two surprise guests discuss the episode "Start to Finish" from The Walking Dead. Hosted by Chris Hardwick.

On the day of her 'Sympoosium', Dr. James is plagued by unexpected complications. Patsy embraces his truth, and DiDi finds herself caught between her work and family. Dawn and Dr. James see uncanny visions of themselves in two British visitors, Dr. Pippa Moore and Sister Den Flixter.

Alison weathers a momentous journey alone. Helen receives unexpected attention from a sexy yet exasperating source. Noah faces a terrible reckoning. An array of challenges pushes Cole to the very edge.

The cyber team investigates the murder of a hacker who was hired to erase an assault victim's comments from a confessional website.

Prince Liam and Princess Eleanor both go on trips that don't end as they expected; Queen Helena meets a new rival; King Cyrus gets some bad news.

At Quantico, the NATS attend a class with guest speaker Dr. Susan Langdon. Dr. Langdon is a former agent and profiler who tasks the trainees with looking at serial killer cases to find the one victim that doesn't fit the case, but when Simon becomes too good at finding things that don't belong, it's his life that becomes endangered. In the future, Alex is interrogated by a highly sophisticated FBI team while Ryan's life hangs in the balance.

As Sunny begins to train M.K., the boy struggles to learn discipline. Meanwhile, Quinn seeks retribution against The Widow and faces the consequences.

Claire tries to expunge Bryan from her New York City life, while foraying deeper into the strip club world. Mia struggles with her continued pain, and Ross feels Paul's insecurity.

Sarah and Tammy are getting married, while Maura and Ali are visited by ghosts from the past and Josh and Rabbi Raquel can't hide their big news.

Neil deGrasse Tyson expands his cosmic perspective with actress and activist Susan Sarandon. The two discuss gender, race, perspective, marijuana and Carl Sagan.

A discovery has the potential to change the entire game - if Jessica can refuse Kilgrave's offer.

Maria becomes the target of an obsessive stalker after Abigail leads him on. David falls in with a dangerous group from Bledsoe's past.

Arch-enemies Gavin and Cheryl begin to get on well after calling a truce. Could love be in the air for the Valco manager?.

Coming Soon...

Hero of the battlefield, Philippe returns from the front transformed. The French soldiers admire the Duke of Orleans, all wreathed in glory. This recognition begins to overshadow Louis. The roads are still not safe just outside Versailles and convoys of attacks are increasing. To celebrate the peace treaty he just signed with the Spanish, the King decides to invite the biggest noble families in Versailles for great entertainment. He invites the Duke of Cassel.

Danny is confronted with a side of his lover's life that seems to undermine the foundation of their relationship. As he wonders whether to give up, he remembers a vital clue that he has overlooked. But the consequences of continuing for justice are more terrible than he could possibly have imagined.

With Lauren's ex-bandmate Russell back in Shankly, Willow and Ollie try to book the community centre for The Bad Weekends' concert. Meanwhile, Willow's spirits are raised when Jasmine splits up with new boyfriend Scott and comes to him for support.

After the war, the soldiers were requisitioned to carry out the work on the palace of Versailles. But worn by the hardness of their task, their lives and broken promises, they revolt. Two thousand of them lay down their tools. Convinced by Madame de Montespan, the Duke of Cassel went to Versailles to attend the festivities. The king has just decreed that nobles that locate in the area will be relieved of their debts. No castle or land, the Duke of Cassel must resolve to stay.