Comedian Punkie Johnson tests the chefs' creativity for the Quickfire Challenge.

Kristen is joined by Tom, Gail and chef and professor Ilona Daniel as the chefs are tasked with flexing their culinary mussels; the chefs face their fears in this stunt-driven Elimination Challenge.

There is no Quickfire as the chefs take on the famed Restaurant Wars elimination challenge; the chefs are tasked to create two restaurants; Kristen, Tom and Gail are joined by Top Chef alum Nina Compton and Top Chef Canada judge Janet Zuccarini.

For this week's Quickfire Challenge, the chefs must create a dish with an ingredient using only the toughest stains as their clues. Then, in a high-stakes pizza party, the chefs must create pies that are outside of the box to impress guest judges Michelin star chef Wylie Dufresne and Top Chef All-Star alumn Spike Mendelsohn, who join Kristen, Tom and Gail at the judges' table.

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.

The chefs are taken by surprise when a Last Chance Kitchen chef joins the competition; the chefs' collaboration skills are put to the ultimate test as this time is a double elimination.

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.

The chefs must make their own version of a Jamaican patty as a Quickfire Challenge and create dishes best served cold or risk elimination.

Actor Sarah Levy joins Kristen and Gail for the Quickfire Challenge, tasking the chefs to put their spin on Canada's famous poutine; for the Elimination Challenge, Daniel Boulud joins the judges' table as the chefs team up to create a brunch.

The chefs pick an ingredient from the pantry and are tasked with preparing a dish while also incorporating the judges' surprise ingredients; for the Elimination Challenge, the chefs prepare dishes that highlight Canada's five diverse regions.