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The first set of heats continue, with four food-obsessed celebrities competing for a semi-final spot.

The pairs challenge returns as the four celebrities are split into two teams of two for a test of teamwork and communication. The two members of each team must cook the same dish, which must be identical in both appearance and flavour, but there is a catch. In-between each pair there is a wall. The only way for them to successfully produce identical plates in both flavour and appearance is by communicating with their team mate through the wall. Here, one team has to master John Torode’s dim sum selection and the other his spiced duck noodle broth.

Then, the celebrities’ team work skills are pushed to the limit as they prepare lunch for over 100 staff at Acton Works, the central hub for repairs and upgrades to London Underground trains. There is plenty of intrigue and drama as the two teams battle to cook up a storm for the hardworking men and women who keep London moving.