This Is Your Life is an Australian television documentary and reality show, based on the American show of the same name, which was created, produced and originally hosted by Ralph Edwards, in which the presenter surprises celebrity guests with a show documenting their lives, with audience participation from their friends and family.

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The original series began broadcasting in Australia in 1975 on the Seven Network, with Bill Lovelock as executive producer and Mike Willesee as host. Subsequent seasons were compered by Digby Wolfe (1976) and Roger Climpson (1977–1980).

In 1995, the Nine Network relaunched the program with a 13-year successful run hosted by journalist Mike Munro. In November 2010, it was announced that the show would return on 28 February 2011 and be hosted by Eddie McGuire; however, it was not as successful, and after just four episodes the show did not return.

On 27 January 2022, a revival for the Seven Network was announced,^[1] to be hosted by Melissa Doyle.^[2] The first episode, which aired on 24 July 2022, featured Olympic swimmer Ian Thorpe.^[3]