Nader Masadeh, President and CEO of Buffalo Wings & Rings, goes undercover to guarantee his restaurants have the recipe for success on the season premiere of Undercover Boss.

Shawnon Bellah, chief operating officer at Crest Foods Inc. and franchisor of Nestle Toll House Cafe by Chip, fails to meet her own customer service requirements when she is undercover.

Sam Dushey, President and CEO of Shoppers World, a family-owned and operated discount apparel and merchandise retail store, goes undercover to ensure he's living up to his grandfather's legacy.

As Tim M. Betts, the new chairman of Muscle Maker Grill, goes undercover, Rod Silver, the high-energy founder of the company, secretly gives Betts ongoing commentary as he observes the action via a live video feed.

Jeffrey S. Young, co-owner of YESCO, works undercover at his custom electric sign company and faces his fear of heights when he must change a light high above downtown Chicago.

Scott Gerber, Principal and CEO of Gerber Group, a hospitality industry leader with 14 chic hotel bar and restaurant venues, including Whiskey Park, Whisky Blue and The Roof, goes undercover to meet his employees who keep the party going.

Bryon Stephens, President and COO of Marco's Pizza, the nation's fastest-growing pizza franchise with nearly 700 locations in 35 states, goes undercover to meet the employees who rake in the "dough" for his company.

Greg Adler, President and CEO of 4 Wheel Parts, the global leader in truck, Jeep, SUV and off-road tires, wheels, lift kits and accessories, goes undercover to meet the employees who keep his company on the right track.

Ashley and Brandon Wright co-own LGBT-friendly franchise Hamburger Mary's, which specializes in gourmet burgers and cocktails as well as featuring nightly entertainment.

United Real Estate Group CEO Dan Duffy works undercover at his real estate services and franchise holding company.

Wienerschnitzel CEO Cynthia Galardi Culpepper works undercover at her fast-food chain that specializes in hot dogs and has more than 330 locations throughout the U.S., Panama and Guam.

Golden Krust Caribbean Bakery and Grill CEO Lowell Hawthorne works undercover at his family-owned manufacturer, distributor and franchisor of Caribbean-inspired cuisine.