Which cult-favorite burger joint reigns supreme: Shake Shack or In-N-Out? It's an East Coast–West Coast rivalry that's raged in the fast-food world for years—and Sean Evans is here to get to the bottom of it.

Joined by his buddy comedian Tom Segura, Sean pits French fry against French fry, cheeseburger against cheeseburger, and secret-menu item against secret-menu item to find out which chain deserves the crown. Will Tom become a Shake Shack convert, or remain an In-N-Out die-hard? Find out on an all new episode of SITW. 

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