Episodi
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.