Sweet Sixteen is a British sitcom that aired on BBC1 in 1983. It stars Penelope Keith and was written by Douglas Watkinson and directed and produced by Gareth Gwenlan. Helen Walker is the no-nonsense 41-year-old head of a building firm. However, her life is turned upside down when she falls in love with Peter Morgan, who is 16-years younger than her. He also falls in love with her and she becomes pregnant. The plot remained largely unresolved as low viewing figures meant a second series was not commissioned.