When Alan S. McKim, Chairman and CEO of Clean Harbors, tackles some dirty jobs to see if his company needs cleaning up, he's faced with the challenge of working in a confined space while treating the inside of a dirty tank at a re-refinery that processes waste oil.

Episode Viewers and Ratings

Season 10 Episode 4 of Undercover Boss was watched by 3,430,000 viewers, resulting in a 0.60 rating in the 18-49 demographic.

Is Undercover Boss Renewed or Cancelled for Season 11?

Undercover Boss Season 10 Episodes...

• s10e01 - Walk-On's Bistreaux & Bar
• s10e02 - Anytime Fitness
• s10e03 - Dippin' Dots
• s10e04 - Clean Harbors
• s10e05 - TGI Fridays
• s10e06 - Bowlero
• s10e07 - Club Med
• s10e08 - Smoothie King
• s10e09 - Mayor of Shreveport, Louisiana

Undercover Boss Show Summary

Undercover Boss is a new reality series that follows high level corporate executives as they slip anonymously into the lowest level jobs within their companies. Once undercover, they'll get their hands dirty with the rank and file, find out what their employees REALLY think of them and discover how smoothly their companies are REALLY run. In the process, these senior executives learn about themselves, the perception of their company and the spirit of their work force.