James Martin presents a celebratory 400th episode with help from chefs Galton Blackiston and Sabrina Ghayour, plus a few surprise guests. With great moments from the BBC food archive, including clips from Rick Stein, Tom Kerridge, the Incredible Spice Men, Gennaro Contaldo and Antonio Carluccio. Comedian Johnny Vegas faces his food heaven or food hell. Wine expert Susy Atkins chooses wine to match the dishes in the studio.