S2·E73 Episode 93 (Mon 10th Sept 1973)

Matt has been up all night looking for the stray dog; he wonders about Charlie's dog. Jack calls on Charlie, he has a hangover from the night before. Reverend Ruskin and Liz practice one of the hymns from choir practice. Charlie calls at the Vicarage and tells Reverend Ruskin that he can't use his privy anymore as Andrew has blocked his path. Dr. Scott arrives and Ruskin is shocked when she suggests that Charlie should be in a home. She explains that she has tried to talk to his son with little success. Annie wonders why Jack takes on all the lost causes.