The fourth episode in the series, marking Eric and Hattie's 20th year of television with the BBC.

After a Chinese take-away, Eric and Hat both get a tummy bug. The pills prescribed by their doctor have a curious effect, as they find out during dinner with the captain of the golf club Eric is trying to join.

Eric is celebrating his birthday in the local with Hat and Corky. However, after a fracas with the local bully, Billy Big Knuckle, and treatment by specialists, he becomes a weaker version of the Bionic Man.