When a jewelry designer is murdered, Lucifer and Chloe strive to solve the case without each other's help. Also, Lucifer reconnects with an old flame.

Hugh, a low-level employee at the U-Spy Store, jumps at the chance to go undercover at a BDSM party, dutifully researching his role as a submissive.

When Eric and his new girlfriend, Kate, head to a gala at the American Embassy in Bogotá, they become embroiled in an assassination attempt, and Kate is the #1 suspect.

Young Eli's Comanches must survive a dangerous journey in 1852; in 1915, Eli and Pete are forced to work together to deal with a new enemy.

Host Emma Thompson; Jonas Brothers performs.

Cooch and Liplor ride the success of their TV show while Saturn and Ranger join the crew. Titanium Rex and Dr. Devizo have unfinished business on an island where Sgt. Agony has identified a mysterious supervillian, whose powers combine with a tropical storm to render Devizo and Rex vulnerable.

Marius falls back in with a dangerous con woman named Lizzie. Fired by Audrey, Julia searches for new employment. Audrey and Otto scramble to save their business. Carly's continued probing about her parents death has emotional ramifications for the Bernhardt family.

As Jen's life begins to crumble personally and professionally, she reveals her darkest secret to Judy, who does some confessing of her own.

Cassandra and her friends prepare for an uncertain future, while Harry's crew just wants to party. Sam and Becca make a discovery.

Just as Gray learns E.N.D'.s true identity, Lucy faces off against Brandish. Lucy tries hard to avoid a fight, but her desperate pleas go unheard. With neither side willing to compromise, the ensuing battle triggers an all-new crisis.

It's Nigella Week. MasterChef favourite Nigella Lawson sets the mystery box ingredients. Whoever cooks the best dish heads into immunity, but the rest must compete in a relay invention test.

Quill finds himself in a claymation world where the Milano is flying into the sun, threatening to melt him. Meanwhile, Groot and Drax must fight Ronan in a Golden Age world. (Part Three).

Gamora and Quill battle their way through an 8-bit Super Marvel World. (Part Four).

[From the Deepest Chest] Harrow recovers from a near-fatal shooting and returns immediately to work, investigating the tragic puzzle of a young mother's psychotic episode while trying to figure out who shot him.

With storm clouds gathering, the islanders realise they can no longer ignore the rumblings of war, just as it looks as though the Durrells - particularly Louisa and Spiros - may have found their happy ending. Larry marks his return by throwing an audacious play for the locals, but there are surprises for every member of the family.

When she stumbles across a villainous plot to blow up a bridge, Bumblebee shies from the challenge of taking on the baddies and reaches out to her friends.

Catherine is one step closer to the English throne with her marriage to Arthur but must navigate the challenges of a new relationship and a new court.

Star, Ponyhead, Sea Horse, Kelly, Rich Pigeon, Jorby, Talon and Quirky Guy all arrive to bail out Eclipsa.

Moon arrives to save the day.