Chefs, ahoy! The chef'testants are setting sail for Alaska. While aboard, they'll tackle a Quickfire of titanic proportions, elevating iceberg lettuce into a flavorful amuse bouche. For the Elimination Challenge, they must create a new spin on the cruise ship classic, Surf and Turf. The pressure is on to make the final four, and one chef'testant disembarks in a heartbreaking elimination. Guest judge Curtis Stone joins Hugh Acheson, head judge Tom Colicchio and host Padma Lakshmi.