The Top 10 dancers perform with All-Stars from previous seasons, and two more are eliminated. Also: a performance by L.A. Dance Project. "Black Swan" choreographer Benjamin Millepied is the guest judge.

Joe's Russian girlfriend visits him and causes tension in the household. Meanwhile, Ryder limits his diet to vending-machine food to comply with an experiment Lennox is doing.

Danny and Ben's father Ray (Greg Grunberg) shows up and Ben tries to get him and Bonnie back together. Ray reveals to Ben that he's gay and living with a guy named Steve; when Danny arrives in the bar he thinks that Ben is gay. Meanwhile Riley and Tucker are driving back with a car full of boxes, when Tucker comes upon Danny's journal and reveals he likes Riley but in a secret code naming her "Girl X".

12 previously eliminated acts return for a 2nd chance to advance to the next round.

The Power of Veto competition is held.

A blizzard strands Patty and Ellen; McClaren uncovers a major player in the trading scandal.

HankMed treats a polo team owner; Divya struggles with dating; Evan worries about a meeting of the in-laws.

As Kane gets ever-closer to The Ghost, he lets Finch go into the field but is unsure if she is willing to do whatever it takes.

Mike Rowe journeys dangerous roads to Australia's northern coast to work with Aboriginals, who have lived off the land for more than 40,000 years. It's a dirty adventure that leaves Mike speechless as he works and hunts (yes, hunts) with tribal leaders.

Toby and the IIB quickly try to track the origin of a deadly virus before the outbreak gets worse.

Bender becomes entangled in a hunt after rescuing a robot fox.

Dani helps tennis players who are having problems on and off the court. Elsewhere, T.K. is the victim of a theft, leading Matt to face off with T.K.'s agent; Nico discovers a security breach; Ray Jay has a new financial plan; and Jeanette's dilemma comes to a head.

The guys stage an intervention to get Robb to stop hurting himself; Swift tells everyone that he and LaToya hooked up, and she's not pleased.

A family trip to Las Vegas for rest and relaxation turns into anything but when Barton is tempted by sin, Lolli clashes with the church ladies, and Stamps steals Boyce's spot in a round of celebrity golf.

Coming Soon...

Holly's plans go awry when she tries to impress her infallible sister by inventing a new identity; the guys find a lot to like about Stuart's cooking.

Serena Williams, Elle King

Katie Couric, Dax Shepard, Emeli Sande

Whilst on the run from a foster home, Jade tells boyfriend Drew she is enrolling at Waterloo Road, with much persuasion he decides to enrol as well. Michael and Sian face opposition to the newly built school opening from local headteacher Gerard Finlay. Lorraine is convinced by Drew to allow him to enrol, however when he lashes out Michael decides to only let Jade board at the school. New teachers Christine Mulgrew and Audrey McFall are introduced to regulars in the staffroom, Christine seems subdued until she is invited for a drink after work. Tariq struggles to come to terms with been a paraplegic whilst Rhiannon starts a bullying campaign against Scout.