Gordon buys some pigs to rear in his garden, and is joined in the kitchen by Kathy Burke. Plus, a new regular feature sees amateur cooks getting the chance to cook in his restaurant for paying customers. Gordon also organises a book amnesty, giving viewers the chance to send in celebrity recipe books they've never used - so they can be safely destroyed.

The fiery chef prepares sesame crusted tuna, pan-fried sea bass with sorrel sauce and apple doughnuts, and teaches Jeremy Clarkson how to cook lobster. Janet Street-Porter throws down the gauntlet in the recipe challenge and Cliff Richard is invited to deliver his verdict on several wines - including, unbeknownst to him, one of his own.

An all-female amateur brigade prepares scrambled egg with wild mushrooms, black bream with peas bonne femme and pink champagne sabayon with citrus fruit. Darren Gough goes head to head with Gordon in the recipe challenge, and Janet Street-Porter finds a new low-fat superfood with four legs, while Jeremy Clarkson gets down to the task of cooking Sunday lunch for his wife and children.

Four Bolton brothers help the chef prepare summer garden soup with walnut pesto, rabbit fricassee, and rhubarb souffle with white chocolate sauce. Janet Street-Porter continues her search for low-fat diet superfoods and Dermot O'Leary takes Gordon on in the recipe challenge with his Irish stew - and a little help from his mother.

Four A&E doctors swap their white coats for aprons to rustle up salt and pepper squid with sweet chilli sauce, bacon-wrapped chicken legs with a pea and broad bean risotto and retro classic crepes suzette. Shameless star Dean Lennox Kelly is in for dinner, and Gordon enters Trinny and Susannah into the pigs' equivalent of Crufts. Meanwhile, an expat family in France get a helping hand cooking Sunday lunch.

Four Oxford students put their culinary skills to the test with a menu of Japanese marinated cucumber, lemon sole en papillote with red chard and a plum tatin with clotted cream. Gordon discovers what conditions are like for commercially farmed pigs, while Michelle Collins takes up the recipe challenge and Jonathan Ross gets to grips with a live eel at the F Word restaurant.

Four amateur cooks from the West Midlands join Gordon in the kitchen to rustle up artichoke, asparagus and onion tart with fried quails' eggs, breast of duck with spring greens and gooseberry sauce, and a four-minute chocolate mousse. Janet Street-Porter gets a job in a fish-and-chip shop on the Shetland Islands, while Hugh Fearnley-Whittingstall helps prevent Trinny and Susannah getting sunburnt.

Four farmers' daughters vie to be cream of the crop when they take over the kitchen to cook three simple recipes. On the menu are a starter of crab mayonnaise rolls with mango salsa, a beef fillet with mushroom gratin and a hot chocolate fondant. John Thomson tackles the recipe challenge, while Janet Street-Porter takes on the might of the supermarkets, and Gordon bids farewell to pigs Trinny and Susannah.

The A&E doctors return to the show as the best brigade of the series. Slaughtered pigs Trinny and Susannah also make a reappearance - served up in a recipe of roast loin and belly of pork. Gordon travels to Scotland in search of his grandfather's butcher shop, while Little Britain's David Walliams takes on Hugh Fearnley-Whittingstall and Janet Street-Porter in the recipe challenge.