George & Mildred S04E02 Days of Beer and Rosie

A 33-year-old man, Bill, approaches George in the pub and tells him that he is his son, conceived on VE Night in 1945 when Bill believes that George had a one-night stand with Bill's mother, Rosie — who died recently. George was drunk on the night in question and cannot remember if he had sex with Rosie. He is disappointed when he finds out that an acquaintance of his, Ernest, who was there with another woman, is the real father.