Season 1
- 1Isle Royale30 Dec 2014
- 2Invaders from the Deep6 Jan 2015
- 3The Goby Effect13 Jan 2015
- 4Bad Reputations20 Jan 2015
- 5Helping Out Endangered Species27 Jan 2015
- 6The Damning Truth3 Feb 2015
- 7Night Moves10 Feb 2015
- 8Back from the Dead17 Feb 2015
Uncover the secrets of the vast Great Lakes region, which extends from the Canadian border to the American Midwest. It's a place of breathtaking natural beauty, with a unique set of challenges threatening its delicate environmental balance.