Torn apart by internal divisions, the team is scattered throughout history, as Tiger and Wolf reckon with the way the mission has changed them and the possibility that they might fail.

The group explores an abandoned TV news station and encounters news crew zombies triggering haunting flashbacks from day one.

A massive forest fire tears through the Klondike toward Parker's claim, threatening to end his season; Tony desperately needs his barge to run.

The guys revisit wild moments, sharing their favorite toys and spending time at the mall.

Russo opens up to Madani about his past, Sarah shares her concerns about her son with Frank, and a decoy operation takes a turn.

Bill envisions Roy's fateful stand, a reluctant Truckee learns to ride a horse, Whitey tries his hand at making music, and John spreads the word.

While Nola works through the aftermath of a disturbing encounter, her friend Shemekka considers changing her body to boost her earning potential.

While Ferg secretly works the Cowboy Bill case, Walt and Vic try to find Shane Muldoon. Cady's office is trashed.

Conrad, a young traffic controller, makes a slight error which ends in catastrophe aboard the orbiting Spacehub transit terminal. Alan launches Thunderbird 3 and is able to buy Conrad time.

While in disguise, Carla infiltrates the castle to try and steal Elena's mother's tiara.

The seven remaining pro-celebrity duos return to the Elstree studio, in the wake of their expedition to the Lancashire coast last weekend for the annual Blackpool Tower special. The competition will be no less intense on coming back to familiar territory, though, as the celebrities and their seasoned dancing partners draw closer to the grand final. Judges Shirley Ballas, Bruno Tonioli, Darcey Bussell and Craig Revel Horwood are on hand to assess each pairing's skills as they perform their individual routines, before they all tackle the Paso Doble at the same time in a 'Pasodoblathon'. As ever, though, the impressing the judges is only half of the battle, as the stars must also gain the approval of the viewing public, who are given a chance to have their say over who should stay in the running.

Coming Soon...

Connie attends her first day of chemotherapy, and in her absence, she places Ethan in charge of the ED. However, his overly thorough approach causes delays, and when the situation gets on top of him, it is up to Duffy to give him a tough love pep talk. Meanwhile, Robyn is dismayed to learn Glen has taken a job as a porter in the department, but he manages to prove his worth dealing with an injured priest with a suspicious fixation on antibiotics.