A stellar cast including David Walliams, Catherine Tate and John Thomson, star in this adaptation of David Walliams' book. Billionaire Boy is the story of Len, who makes a billion from inventing a new toilet roll called 'Bumfresh', and his 12 year-old son Joe. Len quickly sets about spending his money, buying a huge mansion, sending Joe to a private school and hiring a celebrity butler in the form of Warwick Davis. But Joe hates his new school and it's soon apparent that all he really wants is a friend. Things soon begin to unravel - but will Len realise the error of his ways in time?