We'll get to see unseen footage from Wednesday night's show, and the latest contestant to be eliminated will pop by for a chat to talk about what went wrong.
The audience have had an attempt at cookies and crackers too, and viewers form home have sent in pictures of their bakes to be judged.
The good the bad and the downright disastrous - it's all here!
The Great British Bake Off: An Extra Slice, BBC2, 9pm
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