Dad is a BBC1 sitcom that ran for 13 episodes over two series and a Christmas special. Described by the BBC as a 'generation-gap comedy', it starred George Cole as Brian Hook, Kevin McNally as his son Alan Hook, and Toby Ross-Bryant as his son Vincent Hook and Julia Hills as his wife Beryl Hook. Written by Andrew Marshall, the title of each episode was a pun on the word 'Dad'. Most of the episodes involved Alan Hook getting frustrated by situations brought upon him by his father and son. For example, in 'Dadmestic', Vincent's mother allows him to host a house party, leaving Alan with no alternative but to spend the evening at his father's house. In the episode 'Habadadery', Brian comes down with a bout of illness, meaning that Alan has to look after him. Brian then takes Alan to 'Mr Nigel's shop', where Alan's middle-aged style crisis goes from bad to worse as he purchases an extremely bold Hawaiian shirt. The theme tune for the first series was the 1965 hit 'Tijuana Taxi' performed by Herb Alpert & the Tijuana Brass. For the second series this was replaced with the song 'Go Daddy-O' by Californian swing revival band Big Bad Voodoo Daddy.