Too Good to Be True is a two-part British television drama thriller, written by William Humble and directed by Sarah Harding, that first broadcast on ITV between 22 and 23 September 2003. The series stars Peter Davison and Niamh Cusack as Robert and Tina Lewis, a happily divorced couple with a modern relationship and two children, who live with their mother. Robert is remarried to a younger career woman, but reacts very badly when, after four years of being single, Tina begins a new relationship with Matthew (Adrian Lukis). And when his attempts to sabotage his ex-wife’s new relationship fail, his jealousy escalates out of control and his obsession turns her new life into a growing nightmare that threatens to destroy his own marriage, his children and everything he holds dear.

The first episode of Too Good to Be True attracted 7.28 million viewers, while the concluding episode attracted 6.55. The series was released on DVD via ITV Studios on 21 May 2007.