Series 4

Cake

Jo's joined by presenter AJ Odudu and An Extra Slice favourite Richard Osman as they discuss the new bubble of bakers and indulge in Cake Week

Biscuits

Jo Brand is joined by judge Prue Leith, comedian Phil Wang and series fan Stephen Mangan to snap up the best bits of Biscuit Week and exciting extra footage. The home bakers keep a safe distance from comedian Tom Allen's prying eyes and Jo looks at what delights and frights viewers have been baking in their kitchens.

Bread

Jo Brand is joined by judge Paul Hollywood, presenter and comedian Judi Love and comedian Aisling Bea to discuss the best bits from Bread Week. Plus, the latest baker to leave the competition tells all, regular contributor Tom Allen invites a select group of home bakers to show off their skills and Jo rifles through photos of the curious monstrosities viewers have created in their kitchens.

Caramel

Jo Brand is joined by guests Vic Reeves, Melvin Odoom and Steph McGovern as they dip their fingers into Chocolate Week. Regular contributor Tom Allen reviews some of the handiwork offered up by a select group of home bakers and reveals the disastrous bakes viewers have created in their own kitchens. Plus, exclusive unseen clips from the tent and an interview with the latest baker to leave the competition.

Pudding

Jo Brand is joined by three different celebrity Bake Off fans to shine a spotlight on the good, the bad and the soggy bottomed from the most recent episode.

Pastry

Jo's joined by Jonathan Ross, Darren Harriott and Siobhan McSweeney to discuss all the action and some unseen footage from a Bake Off first - Japanese Week

Italian

Jo's joined by Harry Hill, Sunetra Sarker and Martin Kemp, who go retro and get stuck into the most bodacious bits and unseen extras from 1980s Week

Forgotten Bakes

Jo's joined by Kathy Burke, Jools Holland and Sophie Duker, who dig into the best bits, tasty treats and hilarious extra unseen footage from Dessert Week

Pâtisserie

Jo's joined by Joe Wilkinson and Jordan Banjo, as they indulge in the best bits from the Patisserie Week semi-final

Final

Jo's joined by Matt Lucas, Emma Bunton, both runners-up and the winner of The Great British Bake Off 2020, to indulge in the dramatic finale