Trevor is forced to babysit after Sophie sets Lisa up on a blind date. Richard makes a bet that if he wins at chess, Mr. Colloudos pays his rent. If Richard loses, he must walk the rottweilers for a week.
Newly unemployed Richard offers to beat Mr Colloudos's rival at chess in exchange for his rent paid off. Mixups happen as babysitter Trev leaves Sam in the care of Betty, who is already babysitting the neighbors' infant, Diana. Guest starring Lucy-Anne Elliott as Diana, and Simon Hill as Sam. Note: The only episode where both babies who play Sam are seen on screen together.