First broadcast 5th February 2014.
Ben is playing mind-games, as he becomes fascinated by the world of psychology.
Jake meanwhile, has become a self-appointed parenting expert who likes to point out where Mum and Dad have failed in their upbringing of Karen.
Karen is competing in a swimming tournament, where her competitive edge has too much edge. Dad would like to try and control her but he is too busy fending off the attentions of a vigilant Daily Mail reader.
Hugh Dennis - Pete
Claire Skinner - Sue
Tyger Drew-Honey - Jake
Daniel Roche - Ben
Ramona Marquez - Karen
Cliff Parisi - Ed Poll
Javone Prince - Pool Attendant
Richard Frame - Pool Supervisor