Jack discovers that Phyllis's neighbour has found a budgie. Debbie tells Bill that she loves Dazz Isherwood and won't give him up. When he hears Percy has upped the reward to ten pounds, Jack gets the budgie off Phyllis's friend and returns it to Percy. He is stunned when Percy tells him it's not Randy; he's just returned home. Derek introduces Mavis to his sister Edith Wilton. Edith tells Mavis all about Derek's weak chest. The residents gather at Mavis's flat for the engagement party. Victor calls at The Kabin, when he hears the engagement party is in progress he gatecrashes. Mavis watches nervously as Derek chats to Victor. He tells Derek about his camping holiday with Mavis. Derek is amazed.