Alex and McQuigg are assigned to protect a prince following the assassination of an emir, but the team soon realizes the killer is closer than they think.

Legends Hypershock and Biteforce face off in an epic showdown, while up-and-comers try to prove they have what it takes to be crowned 2018 BattleBots World Champion.

YouTube sensation Bethany Mota channels a punk rocker when she goes undercover to link up with and mentor potential YouTube stars. While pretending she wants to start her own YouTube channel, Mota hopes things will click when tasked with teaching a dance class for a YouTube channel; picks up the beat in a beatboxing challenge on Hollywood Boulevard; and fears she won't be able to keep it together when faced with eating a cricket during a YouTube food challenge.

When Stella and Wes realize that their issues are bigger than they thought, they seek professional help; Aiden starts looking for a job; Lizzie and Ida work together; Peter has to make a tough decision.

As Michael prepares for the opening night of his new musical, he receives a surprise visit from his mother, Priya, who wants to bring him back home to Cleveland with her; meanwhile, Matthew is in charge of employee performance reviews.

Researchers study giant ancient drawings found etched into the desert floor, which may be a part of an ancient alien code.

Vince is torn when his old high school buddy offers him a dream job that would require him to move to Louisiana; Matthew graduates high school; Michael's crush joins the guys for dinner at their place so Vince can suss out his intentions.

Winter winds force the captains to reevaluate risk and reward; Shawn's mega-barge extraction takes a turn for the worse; Ken pushes the Myrtle to the limit on a five-day run; Emily sends her divers deeper; Kris invents a new form of prospecting.

Coming Soon...

With the trolls hiding out in Arcadia, AAARRRGGHH!!! goes undercover to see what Gunmar is up to. A potential rival brings out Jim's jealous side.

When Hannah's parents come under scrutiny, Jessica reaches out to Mrs. Baker. Justin struggles to stay clean. Clay reconnects with Skye.

When gas from a dangerous hydro-methane reserve begins to leak, Virgil and Gordon team up with a retired well-capping specialist to plug the leak. Gordon soon discovers the Chaos Crew siphoning off fuel - and moves to stop them.

Spike struggles with a series of bizarre symptoms that Smolder explains is something all dragons go through in adolescence: 'the molt'. Smolder also reveals an unfortunate 'molt side-effect' that compels a molter's family to kick them out of the house!

Ant and Dec host the final round of auditions in the nationwide talent search, with the last few acts competing for the chance to impress judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams and win a place in the semi-finals.

Iain and Sam find a confused woman with deep lacerations to her head wandering the streets, and when they take her into the ED, Connie instantly recognises her as a friend from chemotherapy. Bea struggles to regain her confidence on her first day back at work, while Alicia and Ethan have a heart-to-heart and agree to be friends again.