It's the semi-finals in the Great British Bake Off tent, where the remaining four bakers go head-to-head for a place in the final week.

Jo Brand is joined by three celebrity Bake Off fans - Danny Baker, Josh Widdicombe and Tom Aikens - to dissect the penultimate week in the tent, when the bakers tackled chocolate.

As well as unseen footage from the BBC One show, Jo and the panel taste bakes brought in by the studio audience and look at photos of bakes from viewers at home - the stonkers and the stinkers. Jo interviews the last baker to leave before the final.

What will the panel think of the bakers' signature chocolate tarts? Who rose to the chocolate souffle technical? Whose show-stopping 3D chocolate centrepiece was the centre of attention? And which baker will the panel tip to be crowned the Great British Bake Off Champion 2015?

The Great British Bake Off: An Extra Slice - when one helping of Bake Off just isn't enough. Show less