The show will air weekly for the next 10 weeks and after the first episode, it is expected to return to its usual slot of Wednesdays at 8pm.
It will be the second year the show will air on Channel 4 after previously been shown on BBC since 2018.
The new series will kick off in traditional Bake Off style, starting with Biscuit Week.
Returning to the GBBO tent is last years judges Paul Hollywood and Prue Leith.
Joining them is last year’s hosts Noel Fielding and Sandi Toksvig.
The first episode synopsis reads: “The bakers make a personalised signature biscuit, which must be about them and also a place in the British Isles. There’s an iconic Technical. And it’s crunch time with a spectacular 3D Showstopper”
Twelve contestants will enter the tent this year. Here’s a sneak peek at this years bakers.
You can watch the trailer for Great British Bake Off 2018 now.
The teaser trailer opens with the words “Bake off its back”
It showssad-looking bakery goods and Yorkshire puddings singing Christina Aguilera’s noughties hit “Beautiful”.
A chocolate hedgehog cake says “Don’t look at me” as a burnt cake is thrown in the bin.
The trailer ends with Noel, Sandi, Paul and Prue gathered round a very attractive looking three-tiered cake.
The series was filmed during Spring and early summer on weekends, so the contestants could go about their daily lives.
Each one was sworn to secrecy and only their close relatives knew they were on the show.
Their identities have been kept under wraps and we will update this article as soon as we have more information.
The Great British Bake Off will return to Channel 4 on Tuesday 28 August at 8pm