They had to then do terrifying challenges to raise money for charity; each one was evicted until only the winner was left.

From Series 2 onwards, a spin-off show, titled I'm Famous and Frightened Extra was introduced, presented by Brian Dowling.

The featured celebrities were: The second series was set in Fyvie Castle in Aberdeenshire and was presented by former contestant, Keith Chegwin.

The featured celebrities were: The third series was set in Dover Castle and was still presented by Keith Chegwin.

The fourth series aired in February 2005; it was set in Bolsover Castle and was presented by Claire Sweeney.