In the grand finale of the Time Warp Tournament, Marc Summers serves as special guest judge and the chefs head back to the 1990s. First up, three chefs have to join a boy band as they make barbecue chicken pizza. Then, two chefs have to make fried calamari while riding on a ship bow. Finally, one chef has to go through a giant, physically-challenging obstacle course as they make cookie dough ice cream.