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Overall Rating: 4.80/5 (2626 votes cast)

Season 2, Episode 21 - "Then There Were Four"

15 February, 2008

Charlotte's stubborn nature and thirst for knowledge leads her to Max, who confirms her suspicions and leads her to the Moon Pool. Lewis meanwhile is having trouble trying to keep their relationship together.

Watch H2O: Just Add Water Season 2 Episode 21