Joey asks Bobbie to help Sara find work. Sara gets a job working for Newsweek in Washington DC. Trying to get her to stay, Joey tells Sara he loves her and asks her to move in. Meanwhile, Michael's new girlfriend, a 45-year-old woman, cheats on him with a 60-something professor. Alex is struggling to keep herself together.

After asking Sara to move in with him, Joey freaks out. Sara freaks out too, and leaves without saying goodbye. Joey is heartbroken. On her first date in a long time, Alex accidentally offers sex to the guy, and Joey gets rid of him. While doing shots in Joey's bedroom and commiserating about the sad state of their love lives, Alex and Joey kiss! Meanwhile, Bobbie sets herself up with Michael at a Star Wars preview. When Gina confronts Bobbie about being attracted to Michael, Bobbie offers her a job.

With five members remaining in Koror, Jennifer tries to team with Ian to get rid of Tom, which leaves Ian scared of an all female alliance. At the Reward Challenge, Ian wins a car and takes Tom with him on his Reward trip, which completely shocks Katie. When Ian returns to camp he realizes how betrayed Katie feels.

Kendra completes her task with the ultimate video game tournament and Tana completes her task with the NYC 2012 commitee. However, Tana had a harder time supervising her team made of Michael, Kristin, and Chris. The two have a final boardroom. The episode ends when Trump asks to see all of the previously fired employees.

Two amorous freshmen are found dead in a sleeping bag in a dorm room, and Sara and Greg run into one dead end after another as they try to determine why the students were killed. Warrick, Nick and Catherine figure out how a man is found dead in the center of a crop circle. Ecklie is called into duty for a man found dead in his car and his body later goes missing.

Sandy and Caleb team up to confront Kirsten about her recent drinking problem. Ryan, determined to find out what happened between Trey and Marissa, heads to Chino for answers. Summer decides to not let Zach and Seth fighting over her ruin her prom, and forces the boys to choose who will escort her to the dance. Meanwhile, Julie and Caleb celebrate their final evening together before the divorce is finalized.

Carter flies to Paris to see Kem when he learns that her mother is in the hospital. Desperate to get back together with her, he offers to move back to Africa to start over again, and she doesn't really answer. In Chicago, Birdie and Rebecca are back in the ER; Rebecca was strangled by their niece Shelley, so Birdie stabbed Shelley. Neela, Abby and Ray all make rookie mistakes with various patients. In therapy, Sam announces that she doesn't think she and Luka should be together. Jake indirectly tries to find out where his relationship with Abby is heading.

Paris and Nicole try their hand as wedding planners at the Dearly Beloved Wedding Chapel in Nashville. Trouble starts when the girls oversleep and leave the nervous bride biting her nails at the altar.

The girls last stop is Tennessee, where they fall into the hands of an overly-chipper motivational speaker and beauty queen coach. So this diva convinces Paris to enter the local pageant. Meanwhile, their last internship is at a dentist's office where Paris and Nicole must drill.

John Michaels is a 71-year-old insurance investigator who went missing after last being seen getting into a car with two strange men. While investigating his disappearance, the team finds that he had recently tried to make amends with his ex-wife and has been trying desperately to get his older daughter on the straight and narrow. Things get strange in the case though, and all is not as it seems.

TONIGHT: Comedian and actress Tracey Ullman.

HOST: Dara O'Briain TEAMS: Ian Hislop & Stephen Frost; Paul Merton & Steve Pound