The series, Big Fish Bite, features six chefs and restaurateurs who tackle different elements of the fishing industry at home and abroad.
Their aim is to get to the bottom of systems and levels of fishing involved, and what needs to be done in order to preserve species and ensure sustainable take levels.
On 11 January at 9pm, Hugh Fearnley-Whittingstall gets the ball rolling with a look at the North Sea fishing industry.
On 12 January come Jamie Oliver, with recipes to encourages consumers away from the more pressurised fish species (5.55pm), and Arthur Potts Dawson who joins a trawler for a week (8pm).
More on the theme of culinary delights from sustainable sources comes from Heston Blumenthal on 14 January (9pm), with dishes served to celebrity guests.
Not so appetising is the Dispatch programme on 15 January (7.05pm), investigating the real state of some products which appear in our fish and chip shops and supermarkets.
Ramsay’s programme winds up the series on 16 January (9pm). He travels to Taiwan and Costa Rica to confront an industry which is decimating shark populations worldwide.
He gets on to the rooftop of a shark fin factory to see a large spread of fins laid out to dry, and gets aboard a fishing boat to witness firsthand the catching and cruel finning of live sharks.
Back in London he canvasses, with some success, for the removal of shark fin soup from Chinatown restaurant menus.
Ramsey is a patron of The Shark Trust, based in Plymouth, Devon.
Details and post-screening playbacks - www.channel4.com/4food/the-big-fish-fight
Related links
The Shark Trust
Bite-Back success
EU to consider more effective finning ban
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