Mark and Diane find themselves in a desperate race against time, while the Vic prepares for an unusual New Year's celebration.

Was Diane wise to bring Disa home? What's the secret that Jason's hiding from Pete?

Diane celebrates her 17th birthday and would love Mark to be at the party, but he's determined keep his distance. Pete continues be concerned about Jason's welfare.

Mark is desperate to tell his secret to someone, but wonders who can he trust in Albert Square.

Mark wants to tell his parents his secret, but Diane's not sure that's the right thing to do.

While Diane makes a decisive move for Mark, Pete makes a dramatic discovery about Jason.

Mark is convinced that the original test which diagnosed him was incorrect and sets out with Diane to prove it.

Feeling increasingly ill, Mark begs Pauline to get Dr Legg. Eddie is determined to make up with Kathy, but it looks like a call to the Samaritans is not the right way to go about it.

A sporting challenge arises for Eddie. Diane calls for Mark, who is still ill and refusing to get up.

Arthur and Diane both have plans for Mark, but he'll have to choose between them.

Dot has some explaining to do about the missing baby, but who will believe her story?

Grant mixes business with pleasure and Dot decides to take the law into her own hands.

Dot tries to persuade Ken to talk things over with Disa. Mark phones the clinic and, although they have the results of his test, they can't give him the information over the phone.

Ken still threatens Disa's baby. Why is Disa so relucatant to go to the police?

Ethel celebrates her 75th birthday in style but her friendship with Dot seems to be on the point of falling apart.

Arthur, Ricky, Sam and Grant accompany Phil to court. Meanwhile Lloyd, Sam and Hattie are getting ready for Ricky's birthday.

Diane tries to confide in Mark about Disa - but ends up quizzing him about last night. Kathy tries to reach out to Disa.

Kathy tries to persuade Disa to stay in the Square, and to tell Sandra the truth. Mark goes round to see Diane at the B&B.

Michelle is tired of her old image, and is making desperate attempts to change herself - but no-one seems to notice.

Sharon comes back a day early loaded up with goodies from the States, but when Ricky informs Grant he starts to panic about her missing car. Sharon and Michelle go for a night out.

Michelle meets Ian's friend Geraldine, who tells her about selling timeshares. Convinced this is the way forward, she signs up. Mark fixes his bike and takes it off for a test drive.

Pauline and Diane are horrified to see a breakdown truck with Mark's bike on it. Mark however seems elated at his brush with death. Michelle is impressed by the timeshare induction.

Phil and Grant find Ricky and discover he has spent some of the forged money - and the police are all over Walford, trying to trace the origin of the counterfeit notes.

Michelle is excited about her new career in timeshares. Meanwhile, Pauline has received a letter from Tates, and it's not good news.

Ian has a meeting with a brewery rep about the Dagmar. Pauline has been laid off, so she goes for a drink with Pete.