With a single day left before The Hidden One regains omniscience, Abbie and Crane must do the unthinkable in a last-ditch effort to save the world. Meanwhile, Jenny, Joe and Sophie devise a plan to stall as the Witnesses work.

For the first time, teams travel to Yerevan, Armenia, where an express pass is on the line for the winner of the leg.

In an attempt to make things right with his brother, Damon offers to have Stefan's scar magically transferred to him, only to discover that doing so may come with some unexpected consequences. With time running out and Rayna closing in on Stefan, Valerie desperately attempts to reason with Damon before it's too late. Elsewhere, after being framed for breaking Rayna out of The Armory, Enzo attempts to clear his name, but not before a violent run-in with Nora forces him to make an upsetting discovery.

When rumors begin to spread about the remaining white oak bullet, dangerous foes descend upon New Orleans in an attempt to take down Klaus once and for all. As the threats continue to grow, Elijah urges his siblings to lay low at the compound while Marcel, Vincent and Josh chase down a lead involving a mysterious vampire named Sofya, who may have the answers they're looking for. Meanwhile, tensions inside the compound build as Kol is forced to come face to face with his brother Finn, the person responsible for his death. Elsewhere, Klaus and Hayley seek shelter with her former pack and stumble upon some unsettling news involving the threat against them.

As the Alpha, Elena sets out with Clay to take down the Albino; Nick and Katia are captured by Roman's henchmen; Jeremy gets help from a surprising ally in his quest to kill Roman.

The chefs must identify ice cream flavors in a blind test challenge; actress Meredith Baxter and Olympic swimmer Haley Anderson are guests at dinner service.

When a man is found left for dead drifting off the coast of Oahu, Five-0 uncovers a deadly slave trade operating aboard an illegal fishing vessel. Also, while Danny is out with his children, his car is stolen so he commandeers a bus to chase down the thieves.

When Nick and Hank come across a beautiful young woman who seems to have aged 70 years overnight and died, they suspect Wesen involvement. The investigation leads to a local doctor and Rosalee is enlisted to help find the truth. Meanwhile, Eve takes bold steps to learn more about Capt. Renard's nefarious dealings.

On her 27th birthday, Wynonna Earp returns to her home town of Purgatory when her uncle is brutally murdered. After the funeral, Wynonna learns that the revenant demons of the outlaws that her great-great-grandfather Wyatt killed are back and looking for revenge... and only Wyatt's fabled Peacemaker can send them back to Hell.

Frank and Danny work together to help Nick Constantine (Michael Nouri), a rehabilitated ex-con who Frank put away years ago, when Constantine becomes involved in the murder of an old enemy. Also, as Erin prepares for a murder trial, she learns the prosecutor who previously handled the case is withholding the location of the alleged killer so she can interview him on her popular podcast.

With his inability to find a Job, Lucas returns to Banshee two years later, to look for a serial murderer on the loose.

The squirrels reach the conclusion of their treacherous journey out of their collapsed tree home; a queen ant goes undercover as a worker ant.

Jimmy is joined on the show by Aaron Paul, Gov. Chris Christie, Nate Bargatze and Wendy Melvoin.

Stephen welcomes Steve Buscemi, actor Benjamin Walker, and a performance by the cast of Broadway's "American Psycho".

When Colt Bennett returns home from Canada to try out for a semipro Denver team, he learns that his family's ranch has fallen on hard times.

When a truck heist goes awry, the boys turn to Sam the Denture King for help. But a fight at his office quickly spirals out of control.

Grandparents visit the workplace for "Bring Your Grandparents to Work Day".

With the Village of Ninja's under attack, the gang try their best to help but things look helpless until Frogadier begins to evolve.

The team obtain more clues to Decepticon Island as Steeljaw has a clever plan to infiltrate the scrapyard. Bumblebee, Grimlock and Strongarm confront Scorponok, the leader of the island.

While in Manehattan looking for the ideal location for her new store, Rarity has to help Pinkie Pie find the perfect gift for her sister, Maud - without Maud finding out.

The semi finals arrive, along with the nail-biting tension associated with another round of live performances. The remaining contestants must once master their nerves and take to the stage to determine whether the tutelage they've received at the hands of Will.i.am, Ricky Wilson, Paloma Faith and Boy George has paid off. As was the case last week, the identities of those would-be stars progressing through to the grand final will be decided by the viewers at home, who are encouraged to take part in a public vote to determine which act will leaving the contest.

The first half of the episode is set in 1976. Horace senior is abusive and controlling towards his wife Marianne and children; he forbids his wife from seeing her sister Abbie. In the bar, a broke customer attempts to scam free drinks with a magic trick. Jimmy and other customers argue about the presidential candidacy of Jimmy Carter. Uncle Pete humiliates his nephew Horace in front of the customers. Marianne finally walks out on her husband after years of abuse taking Sylvia and Horace, but leaving Pete. The second half of the episode is set in the present. Kurt and other customers discuss Donald Trump. Ricardo visits the bar and tells Horace and Sylvia that Pete is almost certainly dead, and they will have to call the search off. Sylvia tells Horace that she intends to leave the bar and live with Harold. An eccentric and extroverted woman named Mara lifts Horace's mood when she interviews for the job. Horace tells Sylvia he knows what he wants to do with his life now. Pete returns to the bar and picks up a knife. Sylvia screams as Pete kills Horace. As Sylvia prepares to leave with Harold, Horace's son, Horace IX comes in the bar and asks about his father. Sylvia says there was nothing particularly distinctive about Horace, then breaks down in tears.

Having been told Connie has to focus on Grace and can't be with him, Jacob goes out with the paramedics as Ethan reveals to Lily that he has Huntington's as Connor turns to Max for help.

Game of Thrones star Kit Harington joins Jonathan in the studio for the last show of the series. While Kit will undoubtedly be keen to discuss his forthcoming turn as Christopher Marlowe's tragic anti-hero Dr Faustus at London's Duke of York theatre this month, questions are likely to turn to the fate of his character Jon Snow following his bloody betrayal at the end of the last series of the hit fantasy show - a topic on which Kit has remained stubbornly coy so far. Also appearing tonight are Anna Friel, star of ITV's upcoming crime drama Marcella, controversy-courting comedian Frankie Boyle, and Tinie Tempah, who provides the evening's musical entertainment.

When Mordecai and Rigby mess around with the cables in an old synthesizer, Gary disappears, and the guys now have to find a way to bring him back.

Finn gets magic eye gems stuck on his eyes, turning anyone he looks at into whatever he thinks of them.