Channel 4 Great British Bake Off 2025. The great british bake off series 15 will air tonight, tuesday 24 september 2025 at 8pm bst, on channel 4. An extra slice both air on channel 4 in the uk.
It’s official, series 15 of the great bake off 2025 has returned to our screens. The great british bake off has revealed its 2025 roster of bakers ahead of the channel 4 show’s comeback.