Cook Your A** Off

In the series premiere, chefs are challenged to reinvent grilled cheese as a healthy dish for a vegetarian with Lyme disease. Guest judge chef Nate Appleman tangles the challenge.

Chefs draw up healthy and creative twists of a former bodybuilder’s guilty pleasures: honey buns and pork fried rice. Chef Claudia Fleming joins the judges.

Chefs compete to help a breast cancer patient with unhealthy eating habits, recreating BBQ chips and fettuccine Alfredo. Guest judge chef Michael Psilakis.

Chefs recreate potato skins and pasta for a couple who underwent gastric surgery. The judges' panel, with chef Michael Psilakis, turns up the heat with an ambush element.

Chefs devour the pantry to save a celebrity hairstylist with weight problems. Challenged by the judges’ panel, featuring chef Claudia Fleming, the chefs reimagine a burger and cheesy fries.

Somebody call 911! Chefs clash as they experiment with healthy versions of a firefighter's artery-clogging favorite dishes. Chef Madison Cowen joins the judges.

Three chefs scramble to transform nachos and fried chicken for a fast-food lover who wants to get in shape. Chef Michael Psilakis sneaks in a twist from the judges’ panel.

Chefs compete to help a woman with multiple sclerosis find alternatives to beloved frozen coffee drink and shrimp scampi. Chef Nate Appleman plots twists on the judges’ panel.

Chefs compete to help a new mom lose the baby fat. Desserts and mashed potatoes are remade. Chef Madison Cowen stirs things up with the judges.

Natasha Curry of HLN’s "Weekend Express" joins chef Michael Psilakis on the judges’ panel as chefs compete to create heart-healthy versions of artery-clogging meals.

Semifinals. Chefs put a diabetic-friendly take on sweets and carbs. Sports Illustrated swimsuit model Damaris Lewis and guest chef Claudia Fleming join the judges’ panel.

Semifinals. Chefs put a superfood spin on kids’ classics: pigs in a blanket and mac and cheese. Actress and food writer Haylie Duff throws a few tricks from behind the judges’ table.

Season finale. Chefs battle for $50,000, serving a healthy spin on calorie-filled American standards like pizza and steak. Women’s Health editor-in-chef Michele Promaulayko and chef Nate Appleman join the judges’ panel.