Presenters Sandi Toksvig and Noel Fielding welcome Harry Hill, Martin Kemp, Roisin Conaty and Bill Turnbull, taking on three challenges set by judges Paul Hollywood and Prue Leith.
Sarah Millican hosts this episode which sees Alison Steadman, Ade Edmondson, Will Young and Morgana Robinson face three tricky challenges set by Judges Mary Berry and Paul Hollywood.
Ed Byrne welcomes Geri Horner, John Simpson, Jermaine Jenas and Louise Redknapp into the tent to face three challenges set by Judges Mary Berry and Paul Hollywood
Jennifer Saunders presents as the four celebrities Ed Balls, Victoria Coren Mitchell, Chris Kamara and Kimberley Walsh face three challenges set by Judges Mary Berry and Paul Hollywood.
Mel Giedroyc hosts the first episode in which Jason Manford, Maddy Hill, David James and Samantha Cameron enter the tent to face 3 challenges set by Judges Mary Berry and Paul Hollywood.
Almost halfway through the competition and the remaining bakers are facing pies and tarts. The bakers must make sweet custard tarts of their own invention.
Baking challenge. As week four begins, the bakers must multitask across several baking skills at once. For their signature challenge the bakers bake saucy puds.
Baking challenge. In week three, the remaining ten bakers get ready to brave bread. The boys are confident that this is their week, but the girls have other ideas.
Baking challenge. Having survived cakes, the remaining bakers must serve up savoury biscuits, follow Mary's florentine recipe and create three-dimensional biscuit scenes.
Mary and her daughter indulge their delight for foraging and cooking in the great outdoors.
Mary meets others who also adore feeding the masses and shares her tips about cooking for a crowd.
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.
Kicking off the series, Jo and her panel of fans will give us their take on the 12 brand new bakers and their attempts in cake week.
Ed Byrne welcomes the final four celebrities Victoria Wood, Alexa Chung, Chris Moyles and Kayvan Novak to into the tent to face three tricky challenges set by Mary Berry and Paul Hollywood.
Jo Brand welcomes David Mitchell, Michael Sheen, Jameela Jamil, and Sarah Brown into the tent to test their baking skills in 3 challenges set by Judges Mary Berry and Paul Hollywood.
Presenter Mel Giedroyc welcomes Gok Wan, Jonathan Ross, Abbey Clancy and Zoe Sugg into the tent to face three challenges set by Judges Mary Berry and Paul Hollywood.
Sue Perkins presents as celebrities Joanna Lumley, Jennifer Saunders, Lulu, and Dame Edna Everage enter the tent to take on three challenges set by Judges Mary Berry and Paul Hollywood.
The baking challenge is back. The new bakers make a swiss roll, a classic cherry cake and classic British cakes in perfect miniature.
We catch up with the bakers dozen from series four of the Great British Baking Show, as they revisit their time in the tent and share their memories