Debbie thinks she knows who her obscene caller is. The plan to catch Nick out is put into action.
Ian has his big fight, but does he stand a chance? Andy keeps up the pressure on Debbie.
Quest roles:
Andrew Johnson(Saeed Jeffery), Bill Treacher(Arthur Fowler), Delanie Forbes, June Brown(Dot), Gillian Taylforth(Kathy), Adam Woodyatt(Ian Beale), Sandy Ratcliff(Sue Osman), Susan Tully, Peter Dean(Pete Beale), Nick Berry, Wendy Richard(Pauline), Leonard Fenton(Dr. Harold Legg), Anna Wing, Leslie Grantham(Den Watts), Tom Watt(Lofty Holloway), Oscar James, Paul J Medford(Kelvin Carpenter), Shirley Cheriton, Nej Adamson(Ali Osman), Linda Davidson(Mary Smith), Jon Peyton Price(Martin Fowler), John Altman(Nicholas Charles "Nick" Cotton), Ross Davidson, Peter Quince(Marco)