The other half of the field takes on the 1st of 4 stages. Ninjas include Meagan Martin, Lance Pekus, and Najee Richardson. Stage 1 consists of 8 obstacles that must be completed in under 2:25 minutes in order to advance to stage 2.

With only the best of the best remaining in the competition, the dancers show America why they belong in the Final Four.

Guests: comedian Jeff Davis and actor Cornelius Smith.

A stand-off at the COPE compound leads to tragic results.

After a tough season of in-fighting and game playing, the racers of the 405 come together for a grudge race night, hoping to squash all the issues they have with each other. Will racing be enough to bring the racers back together?

Jimmy identifies a new market for his talents; Mike vets a potential partnership; Kim drives a hard bargain.

Dud's new relationship goes well. Ernie prepares for the Sovereign Protector ceremony.

Holmes and Watson race to locate a missing woman when Harlan Emple, Holmes' friend and "Irregulars" mathematics expert, becomes the prime suspect in her disappearance.

The FBI sends out a second lure. Charlotte slips up while chatting with Wyatt. The Byrdes grow wary of Rachel, who deflects suspicion onto someone else.

As Jack and Cathy grow closer, Jack's double-life is put to the test. A show of force from Suleiman adds to his ranks and brings him one step closer to his next attack.

When Kevin's mom buys him a sleek new talking police car, it's love at first sight. Bullet turns Dusty into a fried-chicken kingpin.

A shocked Vera finally discovers the identity of her stalker, who has one last ultimatum. Liz has a daunting favour to ask of Kaz.

Arlo two-times Lindsay and Poppy and suffers the fallout. George struggles in the parenting department and worries he's causing Billy's stress problem. Shay gets an unlikely visitor.

It's week two and the remaining 11 bakers face Cake Week - kicking off with a crowd-pleasing signature challenge. Next, the bakers face Prue Leith's first technical, a complicated cake with a very unusual ingredient. Finally, an ambitious chocolate-collared showstopper turns up the heat in the tent. Who will rise to the various tasks - and who will melt under the pressure? Sandi Toksvig and Noel Fielding present, while series regular Paul Hollywood and Prue pass judgement before another baker leaves the contest.

Hanssen tries to bury himself in his work, but when Gaskell makes a move he hadn't bargained for, he can no longer ignore his conscience. Fletch is burning the candle at both ends, leaving Evie to pick up the slack. Desperate to make things right with his daughter, Fletch faces a tough decision, while an isolated Meena turns to an old flame for comfort.

Therapist Joy Richards tries to maintain the spark with her husband Alan, following a cycling accident that has put their sex life on hold. Suddenly Joy and Alan find themselves drawn to new people, and both are tempted to make the ultimate indiscretion. With their marriage in crisis, Joy comes up with an audacious, unorthodox but potentially brilliant proposal that will have huge ramifications for the future.