Me And My Girl 06x04 - Mundane Monday

Eye Catchers is to promote a breakfast cereal called Nyum Nyums which Derek finds repulsive. The contract is to be signed at a wine bar but the clients want to meet Derek and Simon with their wives so Liz and Isobel play the parts. In the same wine bar Samantha discovers that a boy called Sean,who she thought was dating her,is two-timing her with another girl.