Episode 3110 (20th August 1990)

Plot
Mavis finds a piece of stone cladding in the lounge and the window broken. Derek suspects the twins. The Duckworths celebrate their wedding anniversary. Derek accuses the twins of throwing the stone but they deny it. Mike moves his desk onto the shop-floor to Ivy's annoyance. Jim threatens Derek and tells him the twins did not break his window. Bet wonders who Tina's new boyfriend is. Steph tells Mavis that Vera broke the window. Derek confronts Vera and tells her he'll give her the bill. The Duckworths spend their anniversary evening rowing in the Rovers. A "policeman" turns up and starts to strip, singing a telegram to Vera for her anniversary which includes lines about throwing stone cladding at the neighbours. Vera is furious. Steph admits to sending him.

Guest cast

 * Sandra Rogers - Kate Brisley
 * Laura Collins - Linda Rooke
 * Coppergram Man - Andrew Shakes