Mako Mermaids: An H2O Adventure (2016) - Netflix

This "H2O" sequel follows Zac, a boy who accidentally turns into a merman and threatens the existence of three young mermaids who guard Mako Island.

New on Netflix: May 2015 - Longmire, Mako Mermaids

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Watch Mako Mermaids: An H2O Adventure Season 4 Episode 12 - Trust Issues Online Now

Mako: Island of Secrets: Season 3: Episode 16: Homecoming, H2O Just Add Water Wiki

Watch Mako Mermaids: An H2O Adventure

Watch Mako Mermaids: An H2O Adventure Online, Season 4 (2016)

Watch Mako Mermaids: An H2O Adventure Online

Watch Mako Mermaids: An H2O Adventure

Watch Mako Mermaids: An H2O Adventure

Mako: Island of Secrets, H2O Just Add Water Wiki

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Watch Mako Mermaids: An H2O Adventure

Watch Mako Mermaids: An H2O Adventure

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Watch Mako Mermaids: An H2O Adventure