Reef Ball Maker Dirty Jobs : Season 3 Episode 21
TV-14 (some episodes) Discovery 1h 00m int(0)
Aired: November 6th, 2007 @ 8:00 PM EST on Discovery
Mike rolls up his sleeves and gets dirty in order to help create an artificial underwater reef. It's a dirty job that is helping to revitalize fish and coral populations in areas that have been devastated by pollution.