#1 | 06.07.2018Episode 1 (S.O.S.)
Madison and Valerie are in trouble! Beatrice and Will must search for the Magic Mirror to find out what happened!
#2 | 13.07.2018Episode 2 (The Mermaid Cave)
Madison and Valerie face their sea monster kidnappers as the humans embark on a quest to find their lost mer-friends!
#3 | 20.07.2018Episode 3 (Siren Song)
Madison and Valerie must figure out what mermaid song will open the magic lock to the well of power while Jed pays some old friends a visit.
#4 | 27.07.2018Episode 4 (Whale Song)
Madison, Valerie and the sea monsters come up with a plan to get a whale song into the well of power while the gang lands in Indonesia to begin their search for the mermaids.
#5 | 03.08.2018Episode 5 (The Octopus Mermaid)
Valerie must learn an ancient technique in order to open the octopus lock while Nat and Liam have to fight their way to getting the magic ring.
#6 | 17.08.2018Episode 6 (The Mermaid Ghost)
Madison and Valerie must battle Ronan and Petromey to unlock the next stage of the well of power while Stanley and Will look for the ghost of a mermaid to help them translate the magic ring.
#7 | 24.08.2018Episode 7 (The Final Lock)
The final lock has the Mermaids confused as the humans get closer and closer to finding the location of the lost Mermaids!
#8 | 01.09.2018Episode 8 (Trapped)
United, the Mermaids, humans, and sea monsters figure our how to open the final lock on the well of power, but something goes wrong!
#9 | 08.09.2018Episode 9 (The Storm)
The Mermaids, Humans, and Sea Monsters come up with a plan stop Will's dad from stealing the worlds magic!
#10 | 22.09.2018Episode 10 (Atlantis)
In the season 4 finale, the mermaids, humans and sea monsters must unite to stop the magic well from destroying everything in its way!