Chef Angela Hartnett meets a robot that can mimic all the moves of a top chef.
First shown: 30 Nov 2015
Recipes include a chicken shawarma and a liquorice and blackcurrant chocolate cake.
Dara discovers the secret of growing fruit and veg without any soil.
First shown: 23 Nov 2015
Nigella bakes cheering chai muffins - light, luscious and dairy-free.
Series 8: Episode 10
The last week of the heats kicks off with six new chefs....
Series 8: Episode 9
The chefs' pastry skills are tested in the quarter-final round....
Series 8: Episode 8
Monica tests the chefs' butchery skills when she asks them to debone a pig's trotter....
Series 8: Episode 7
The chefs must fillet a sea bream and make the perfect watercress soup in the skills test....
Series 8: Episode 6
The chefs cook for some of the country's most discerning restaurant critics....
The last week of the heats kicks off with six new chefs.
First shown: 1 Dec 2015
The chefs' pastry skills are tested in the quarter-final round.
First shown: 26 Nov 2015
Monica tests the chefs' butchery skills when she asks them to debone a pig's trotter.
First shown: 25 Nov 2015
Nigella cooks fluffy oat pancakes with a raspberry and honey syrup.
First shown: 16 Nov 2015
Nigella introduces the latest addition to her Chocolate Cake Hall of Fame.
First shown: 9 Nov 2015
Chef Aaron Dixon is in South America working out how to best tickle our palates.
First shown: 18 Nov 2015
10. South London
The pair hit south London, where Len samples Portuguese and Japanese cuisine.
First shown: 27 Nov 2015
Nigella cooks up her favourite breakfast - a twist on avocado toast with radishes.
First shown: 2 Nov 2015
Series 8: Episode 1
In this heat, chefs are challenged to make a classic French dessert and a blue steak.
First shown: 10 Nov 2015
Masterclass: Episode 4
Mary makes the tennis cake that was the technical challenge from Victorian week.
First shown: 23 Oct 2015
James Martin presents with help from chefs Jason Atherton and Russell Norman.
First shown: 28 Nov 2015
Series 2 Reversions: Episode 6
The series revealing the secrets of what we eat continues.
Series 8: Episode 2
In this heat, skills tests feature an omelette Arnold Bennett and filled brandy snaps.
First shown: 11 Nov 2015
Hugh joins an illicit midnight raid to see what he can find in supermarkets' bins.
Nigel Slater takes us on a journey exploring the earliest origins of cake in Britain.
First shown: 27 Nov 2014
Sarah Hadland faces her food heaven or food hell.
First shown: 29 Nov 2015
Series 2 Reversions: Episode 7
The team investigate foods that have proved controversial.