Changing SeasSeason 154 episodesEpisodes1Life in the Dark: The Polar Night2Bermuda: Life at Ocean's Edge3Sharks in Belize: Jaguars of the Sea4Mollusks: More than a ShellSeason 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 16Season 17Season 18
