Actor Michael Cera joins Kristen in the kitchen for the Quickfire Challenge, where the chefs' trivia skills are put to the test; for the Elimination Challenge, the chefs must put their own spin on some of Canada's most iconic confections.

Top Chef Masters alum Susur Lee and Jet Bent-Let join Kristen for the Quickfire Challenge, where the chefs must create a dish using a limited amount of ingredients; for the Elimination Challenge, the chefs must create dishes that highlight pickles.