While Chef Petrina starts to spiral making her knafeh, Chef Lee keeps cool and puts the finishing touches on his filets. Can Chef Zain and Chef Emily help get their captain's dish across the finish line? 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. Chef Petrina Panic...