The Top 18 dancers perform, but two contestants are eliminated.

Spencer and Emily make plans to visit a nearby college, but they have very different agendas for their time spent on campus. Spencer's singular focus in figuring out Ali's apparent connection to the school contradicts Emily's real fears about her plans for after she graduates. And after a stinging attack by "A", Aria and her brother Mike don't see eye to eye regarding what's best for their parents.

Meanwhile, Hanna becomes increasingly frantic when she makes another horrifying discovery among her mom's things, leading her to make a desperate move - with disastrous results.

Auditions continue.

Customers brawl in the parking lot before the store opens; Les needs Seth and Ashley's help, but they're preoccupied with their quarreling.

Danny tries to score an ex-police motorcycle without getting busted, while a watermain break threatens to put the shop permanently under water. Will Danny be able to get the shop back up and running, or will it be a complete washout?.

Benny prepares for his date by asking to borrow a car but is arrested and charged with drug possession after falling trap to someone's malicious intent. Amanda seduces her professor to raise her grade.

Midway through the winter crab season and the Bering Sea is taking its toll on the boats and the men. The northern-most boats are in a race to save their gear as the polar ice pack descends on the fishing grounds.

TJ's christening turns grim when a body is discovered in the church. Jane almost abuses her power in order to protect Tommy when Lydia's fiancé, Stuart Stawbridge (guest star Jareb Dauplaise) threatens to take custody of TJ, and budget cuts cause tensions to run high around the department.

As Green Grove prepares for the annual Fall Festival, the town residents are at odds over whether Danny should be allowed at the Festival. When Danny shows up, tensions escalate into a riot, which Kyle has to quell. Green Grove's Mayor Rollins chastises Kyle about the lagging case and Jo's increasing involvement with Danny. Father and daughter find it increasingly difficult to see eye to eye when Jo questions the significance of the necklace in the murder investigation. Lacey also wonders about the necklace and approaches Regina's mother, Gloria, for information. Meanwhile, Jo and Rico's friendship is strained as Jo spends more and more time with Danny.

Danny discovers the rarest Cadillac collection he's ever seen. Later, Horny Mike has 30 days to move his big ugly bus from the shop's parking lot before Danny has it sent to the dump. Will Mike come up with a creative way to keep the bus on property before Danny's deadline?.

Ramon spends most of his time in a dead-end job in a town that he's struggling to escape. His one shining glimmer of happiness is Paola, a girl he met on Facebook and established an exclusive online relationship with. After many failed attempts to video chat with Paola, she finally relented and connected with Ramon briefly. However, Ramon saw a completely different-looking girl on his video screen before she hung up - and he's been baffled ever since.

A series that spoofs the past with inebriated reenactors begins with journalists Bob Woodward and Carl Bernstein exposing the Watergate scandal; a feud between actor brothers Edwin and John Wilkes Booth; and Elvis Presley meeting President Nixon at the White House.

Chardonnay keeps her friendship with Tasha a secret. Meanwhile, Keira tries to talk to Blue.

Alex is trying to get her life back to normal with Charlie and at Hope Zion Hosital - but with Charlie's head in the clouds and the pressure to find her medical niche - she's struggling. Inspiration comes in the form of an immigrant doctor who needs Alex to save his wife's life,
and in return, helps her find her calling.

When a series of bizarre public murders occur, Pierce realizes that the killer is trying to send a message about inattentional blindness, but Donnie doubts this theory. But Pierce has a trick up his sleeve that can prove his point, and they must scramble to piece together the clues before the clever killer can make any more examples out of innocent victims.

Anthony learns the ins and outs of necrophilia, we learn the history of the great Panel, football player Aaron Hernandez covers his murderous tracks, and Amy & Jim defend their tweets.

Mary-Louise Parker, Breckin Meyer, Portugal. The Man

Adam Sandler, Joseph Arthur

Dane Cook, Nev Schulman, Matt Nathanson

Morgan Freeman, Cathy Ladman

The losing team from the Seven Deadly Sins challenge battle it out to try and save themselves from elimination.

Nina wonders if her pregnancy with Patrick is enough to keep them together, Patrick struggles with Kate's decision to see her abusive ex-partner Dean and Billie is confronted by Mick's popularity.

Ken faces the truth that his marriage to Pauline is over and decides to sell the family home and go on an internet date. Following the date, Ken realises with urgency what he must do to try and win Pauline back. Pauline is having some some reservations about the choices she's made about Peter and Ken. Kevin offers Pauline and Ken a weekend away in the hotel that they spent their honeymoon in, and Ken waits to see whether Pauline will join him at the train station. Sarah decides to accept Kevin despite all his flaws.

The candidates receive an early morning phone call from Lord Sugar, who tells them they have 24 hours to brush up on their business plans, before being interviewed by four of his trusted advisors.

The next day, business plans in hand, it's off to the Institute of Directors. Lord Sugar explains that his advisors will be scrutinizing their plans and credentials, before feeding back to him.

The nerves kick in straight away for the Final Five, as the anxious candidates are called in one by one to meet Lord Sugar's hand-picked hit-squad.

Armed with CVs and business plans, the advisors waste no time in taking the candidates to task. Egos are attacked, book-cooking uncovered, and personalities pulverised. There are anxious moments for some, and extraordinary things uncovered as the candidates are pushed to the limit.

In an emotional boardroom, Lord Sugar receives some surprising news, and someone feels the full force of his fury, before a shock exit leaves everyone open-mouthed.

In the fight to make the final, dreams come crashing down. Only two can make the grade, as the rest all kiss the investment goodbye as they hear the words 'You're fired!'.

Michael Mosley takes a look at the latest theories on how our personalities are created and whether it is possibe that they can be changed.