The Flash, the fastest man alive, is tasked with his greatest challenge yet, to save the timeline and save existence. Friends old and new gather for an epic battle to save Central City, one last time.

Shocking information threatens Jack Dayton's surgery and the future of OR 2.0. Archer goes rogue to save a patient in need. Maggie questions her future at Med.

After devising a plan to bring in some money at the Babylonium, Veronica is surprised to learn somebody may be sabotaging her. Elsewhere, after beginning sessions with Dr. Werthers, Betty begins to question his motives.

The remaining five castaways must climb their way to victory in the immunity challenge to earn a feast at the sanctuary and a spot in the final four. Also, one castaway will be crowned Sole Survivor.

Chip & Dale land on Mars.

Jazmin wants to create a Bible study on campus and enlists Ella to help her organize the service; Calvin and Laura request that Miranda return her emergency key to Calvin's condo.

Daphne Oz guest judges; chefs from the Northeast prepare their signature dishes.

SONS escalate the war as EZ attempts to reclaim the pipeline.

Guy Fieri invites four "burgermeisters" who think outside of the bun to test the boundaries of what a burger can be. First, he challenges each of them to pound out four heavy-hitting burgers using only six pounds of ingredients. Then, they slide "sliders" to select the unorthodox ingredient they must incorporate into both their cheeseburger and side dish. The best burger baller gets to shop Flavortown Market for up to $20,000.

Brett waits for life-changing news; Herrmann encounters a psychic with a grave warning on a call; Kidd finds a new lead on the Homeland Security case.

As Richard Beck's timeline for a deadly attack moves up and Samantha panics, Ruzek and the team scramble to get ahead of unprecedented disaster.

EZ's attempt to reclaim the pipeline brings danger to the club's doorstep.

Dave straddles the line between reality and fantasy as Emma's tour documentary is finally complete.

After a long rift in their friendship, Sylvia reunites with her old best friend, the newly divorced Will.

After Asha is kidnapped, her elder sister Amy teaches her the rules of Blackmarsh.

Will accompanies Sylvia to an open house. Sylvia helps Will sneak into his ex-wife's home to get the rest of his stuff and make a clean emotional break.

An unexpected guest has Ted on edge. When Richmond travel to Manchester for a big match, Roy and Keeley become concerned about Jamie.

James sets the bar high by taking on some classic dishes from France, the home of haute cuisine. Expect oniony thrills and soupy spills as he tries to sort out his croque from his coq.

In a drought-stricken basin where much has perished, an old Pachycephalosaurus bull defends his leadership against a young challenger.

Ana turns up at Sergio's house, and he insists on meeting Noa. The police try to close the case for good while a leak exposes Cabrera's methods.

Blamed for Asha's bad behavior, Amy is forced to take LSD as part of her clearing for her sins.

After making a discovery about Guru Bob's missing wife, Peggy enlists Denny to find out more.

Jin's plans to make the soccer team are derailed by the arrival of a new foreign exchange student.

At Quantico, the Class of '09 faces the meaning of taking a life. In the present, the Agents must thwart a terrorist attack and to save lives, they must take a life. In the future, we come face to face with their trauma.

Rafa tries to win over Mya's dad after accidentally making an inappropriate joke in front of him. Rollie helps Mondo with a bully. Drea enjoys some freedom.

While Sylvia's husband attends a conference, she spends the day getting drunk with Will-who informs her about a development with his bar.

With an Immunity Pin at stake, whoever creates the best dish with a mystery appliance in Round 1 will earn first pick of flavour pairings and a 15 minute head start against guest chef Sergio Perera.

It's nearly the end of the series, and the pressure is so intense that Mae Martin immediately forgets the only rule to a task. Greg Davies demands to be educated about history - but the five comics only seem to know about the year 1066. And there's paint, stomping, poor time keeping and some impressively sneaky prizes in this sort-of semi-final.

Joe and Chas have been together for nine years. It's a long time to be truly in love with someone. But how long does it take to properly say goodbye?

Tash is under arrest and, as the gang ponder their next move, Albert makes a shocking discovery that forces the boys to make their final move.

It's Jon's 40th birthday and Lucy has loads of surprises planned, including a private cooking lesson with Hugh Fearnley-Whittingstall... will Jon finally get that Rik Mayall tattoo?