Celebrity Island with Bear Grylls is a spin-off series of The Island with Bear Grylls. It was first broadcast on Channel 4 as part of a charity campaign for Stand Up to Cancer UK in September 2016. The show has the same format as The Island with Bear Grylls, in which the participants are left on a remote uninhabited Pacific island with only limited water, some basic tools and training and are expected to find their own food, water and shelter. The celebrities however stayed on the island for a shorter period of two weeks. A second series began airing on 29 August 2017. The second series saw the celebrities stay on the island for a longer amount of time, four weeks.

It was announced in July 2018 that a third and final series would be produced, and it aired starting on 9 September 2018.