The final decision in Chef Petrina and Chef Zain’s cook-off isn't easy for Martha and José, but it means that the kitchen has finally found its final four as the competition heats up in the home stretch. All-new Yes, Chef! - watch NBC on Peacock. #NBC #YesChef #MarthaStewart » Subscribe for More: bit.ly/NBCSub NBC ON SOCIAL: YouTube: youtube.com/nbc Twitter: Twitter.com/NBC Facebook: Facebook.com/NBC Instagram: instagram.com/nbc ABOUT YES, CHEF: In an all-new competition hosted by icons Martha Stewart and José Andrés, 12 talented chefs must overcome their greatest obstacles… themselves! In this transformation show disguised as a cooking competition, the chefs compete in strategic challenges where they must put their egos on the back burner as they go head-to-head in the kitchen – all in pursuit of a life-changing cash prize. Find NBC trailers, full episode highlights, previews, promos, clips, and digital exclusives here. Who Stays and Who...