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

Watch Mako Mermaids: An H2O Adventure

Watch Mako Mermaids: An H2O Adventure

Mako Mermaids S1 E13: Betrayal

Mako Mermaids: An H2O Adventure - Season 1 (2013) Television

Watch Mako Mermaids: An H2O Adventure

Mako Mermaids

Watch Mako Mermaids: An H2O Adventure Online

Mako Mermaids: An H2O Adventure - Season 3 (2016) Television

Prime Video: Mako Mermaids, Season 2