The Mouthtrap

Dudley's latest mania, for jogging, takes him as far as the front door. Meanwhile, Jacqui's boyfriend Leslie is coming to dinner at the flat around 7 p.m., and she doesn't want Susan running on the spot and jiggling her boobs at him. Her sister promises to be out before he arrives, having been invited to an all-night party. So their father won't interfere, Susan makes a recording on her cassette tape-recorder to give the impression that she is acting as a chaperon for Jacqui. Duncan invites himself round for tea and cake, and Dudley tries to trick him with a rubber chocolate eclair. He then suggests Leslie isn't quite as masculine as he should be, and Jacqui vows to find out for herself and let her father know in the morning.