Four different celebrities all aim to impress judges Paul Hollywood and Prue Leith with their baking skills.
Harry Hill, Martin Kemp, Roisin Conaty & Bill Turnbull
Nick Hewer, Stacey Solomon, Ricky Wilson & Perri Kiely
Tim Minchin, Ruth Davidson, Jamie Laing & Ella Eyre
Lee Mack, Griff Rhys Jones, Melanie Sykes & Joe Lycett
Alan Carr, Aisling Bea, Kadeena Cox & Teri Hatcher