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.

Mako Mermaids and a H2O adventure

H2O: Mermaid Adventures (2015) - Netflix

Mako Mermaids: An H2O Adventure - Where to Watch and Stream - TV Guide

Watch Mako Mermaids: An H2O Adventure

Mako Mermaids: Where to Watch and Stream Online

Mako Mermaids: An H2O Adventure (2016) - Netflix

How to watch and stream Mako Mermaids: An H2O Adventure - 2013-2016 on Roku

Watch Mako Mermaids: An H2O Adventure

Mako: Island of Secrets - Wikipedia

All the Netflix shows your kids will want to binge on this summer – SheKnows

Mako Mermaids - A New Tail Official Disney Channel Africa