1. Buffalo Wings & Rings

Season 7 begins with Nader Masadeh, President and CEO of Buffalo Wings & Rings, working undercover in his restaurants and encountering a fiery manager who makes one kitchen too hot to handle.

2. Nestle Toll House Cafe

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.

3. Shopper's World

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.

4. Muscle Maker Grill

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

5. YESCO

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.

6. Gerber Group

7. Marco's Pizza

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.

8. 4 Wheel Parts

9. Hamburger Mary's

10. United Real Estate Group

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

11. Wienerschnitzel

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.

12. Golden Krust Caribbean Bakery & Grill

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