Five series champions - Josh Widdicombe, Katherine Ryan, Noel Fielding, Rob Beckett and Bob Mortimer - clash, as we find out their most embarrassing items.

Five hall of famers return for more consensual indignity at the hands of Greg Davies. The challenges include making a mask which both looks and tastes great.

Series winners Ed Gamble, Kerry Godliman, Liza Tarbuck, Lou Sanders and Richard Herring bid to become the next Champion of Champions with bath toys, bobbins and bananas.

Former champs Dara Ó Briain, Morgana Robinson, Sarah Kendall and Sophie Duker - and former runner-up Kiell Smith-Bynoe - battle for Greg Davies' buff body forged in gold.

Five task titans will compete in the ultimate quest for victory as previous winners of series 16 to 20 return to square off in a one-off face off. Returning to the Task arena alongside Maisie Adam are Andy Zaltzman, John Robins, Mathew Baynton, and Sam Campbell. They've already won Greg's golden noggin, now one of them will cart home the ultimate prize of Greg Davies’s buff body forged in gold.