Watch Mako Mermaids: An H2O Adventure Online

Aug 28, 2015 - 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. Watch trailers & learn more.

Watch Mako Mermaids: An H2O Adventure - Volume 3

Is 'H2O: Mermaid Adventures' on Netflix? Where to Watch the Series - New On Netflix USA

Mako Mermaids S2 E18 - The Siren (short episode) on Vimeo

Watch Mako: Island of Secrets season 3 episode 15 streaming online

Mako Mermaids: An H2O Adventure – Season 1, Episode 6: ”Dolphin Tale”

H2O - Mermaid Adventures

H2O: Mermaid Adventures: Where to Watch and Stream Online

Watch H2O: Just Add Water online

Watch Mako Mermaids: H2O Adventure: Volume 2