Sue Perkins hosts the first episode, in which Michael Vaughan, Samantha Bond, Bonnie Wright and Johnny Vaughan enter the tent to face three challenges set by Judges Mary Berry and Paul Hollywood.
Mel Giedroyc runs proceedings as Claudia Winkleman, Ed Byrne, Martha Kearney and Olympian Helen Glover try to impress Mary Berry and Paul Hollywood.
David Mitchell, Michael Sheen, Jameela Jamil and Sarah Brown attempt to impress Mary and Paul.
Jo Brand hosts An Extra Slice and is joined in studio by Paul Hollywood and Mary Berry to get their take on the nerve-wracking final bakes and how and why they chose their eventual winner.
It's the semi-finals in the tent, where the remaining four bakers go head-to-head for a place in the final week. Jo Brand is joined by celebrity fans - Danny Baker, Josh Widdicombe and Tom Aikens
It's the quarter-finals in the tent and just five bakers remain. Sarah Millican stands in for Jo Brand on An Extra Slice and is joined by Gregg Wallace, Joe Lycett and pastry chef Cherish Finden
Jo is joined by Michel Roux Jr, David Baddiel, and Ruth Goodman to discuss Victorian Week.
Joining host Jo Brand in the An Extra Slice studio are three celebrity fans - Marcus Wareing, Marian Keyes and Rob Beckett - all eager to chew over pastry week in the tent.
It is the semi-final and there are just four bakers left. This time it is the French round, and the challenges include savoury canapes and opera cake.
The five remaining bakers must cope with unconventional flours and unusual desserts, designed to push their creativity to the max.
The six remaining bakers face a series of pastry-based challenges. They bring suet pudding up to date, tackle religieuse and make three different types of puffed pastries.
It's time for sweet dough week, but will it prove bittersweet for the bakers? They start with a signature tea loaf, while the Showstopper involves 36 European buns.
Paul returns to his roots in Merseyside to reminisce about where his love of baking began.
Paul shares his ultimate pizza recipe: a courgette, lemon and thyme bake from Venice.
Joining host Jo Brand are three celebrity fans - Glynn Purnell, Liza Tarbuck and Henning Wehn - who dissect this week's action from the tent.
It's bread week, so Jo and guests Deborah Meaden, Richard Bertinet and Josh Widdicombe cast their eyes over the home-baked breads brought in by the studio audience.
It's biscuit week, so Jo and her guests celebrate all sorts of biscuits in the An Extra Slice studio and give their take on the remaining 11 bakers and their attempts at biscuits.
Gok Wan, Jonathan Ross, Zoe Sugg, and Abbey Clancy enter the tent.
Joanna Lumley, Jennifer Saunders, Lulu, and Dame Edna Everage enter the tent.
It’s the climax of the competition as winners of the three heats take on final challenges, before Judges Mary Berry and Paul Hollywood must decide on the first ever Celebrity Baking Show champion.