Great British Bake Off 2025 Australia. Watch 'the great british bake off' 2025 final free online in the u.k. In the uk the great british bake off 2025 returned to channel 4 on tuesday, september 24, 2025, in its usual slot of 8 pm.

An extra slice series 15 is available for streaming on channel 4 in the uk. Home bakers compete against each other in order to prove their baking skills and win the title of britain’s best amateur baker.