7.4/1023 votes#1 - The Secret of Mako Island
Season 1 Episode 1 - Aired 6/1/2015
Cleo, Emma and Rikki get stranded on Mako island and fall into a magic pool where their lives change forever.
Director: N/A
Writer: N/A
7.1/1018 votes#2 - Caught in the Net
Season 1 Episode 2 - Aired 6/2/2015
Emma competes in a contest, Cleo is stuck babysitting an intern and save an injured sea turtle.
Director: N/A
Writer: N/A
6.6/1017 votes#3 - The White Mermaid
Season 1 Episode 3 - Aired 6/3/2015
The girls discover of an ancient mermaid statue and return it but treasure hunters have another idea.
Director: N/A
Writer: N/A
7.6/1017 votes#4 - A Stormy Party
Season 1 Episode 4 - Aired 6/4/2015
A storm threatens to wash out a birthday party.
Director: N/A
Writer: N/A
7.6/1017 votes#5 - Mako Island Hotel
Season 1 Episode 5 - Aired 6/5/2015
Zane's father plans a luxury resort on Mako Island.
Director: N/A
Writer: N/A
8.3/1017 votes#6 - The Mysterious Seaweed
Season 1 Episode 6 - Aired 6/6/2015
Aggressive blue seaweed attacks Emma.
Director: N/A
Writer: N/A
7.4/1018 votes#7 - It's in the Bag!
Season 1 Episode 7 - Aired 6/7/2015
Discarded plastic bags pose a threat to Teddy and his friends.
Director: N/A
Writer: N/A
6.8/1017 votes#8 - Dolphin City Triangle
Season 1 Episode 8 - Aired 6/8/2015
Atmospheric disturbances result in disastrous consequences.
Director: N/A
Writer: N/A
8.0/1017 votes#9 - Poseidon's Daughter
Season 1 Episode 9 - Aired 6/9/2015
Dolphin City is the location for a new movie.
Director: N/A
Writer: N/A
7.9/1018 votes#10 - Dolphin City Mascot
Season 1 Episode 10 - Aired 6/10/2015
Danny gets captured by the Oceanic Center for observation.
Director: N/A
Writer: N/A
7.8/1017 votes#11 - Bad Waves
Season 1 Episode 11 - Aired 6/11/2015
Lewis and the girls must find what's behind mysterious sound waves that are creating havoc.
Director: N/A
Writer: N/A
7.2/1017 votes#12 - Jaw-ache!
Season 1 Episode 12 - Aired 6/12/2015
Berk breaks a tooth and wanders near the beach in pain, causing a panic.
Director: N/A
Writer: N/A
8.3/1019 votes#13 - The Lost Ring
Season 1 Episode 13 - Aired 6/13/2015
Rikki takes matters into her own hands by spying on her dad and his new girlfriend.
Director: N/A
Writer: N/A
The Best Episodes of H2O: Mermaid Adventures Season 1
Every episode of H2O: Mermaid Adventures Season 1 ranked from best to worst. Discover the Best Episodes of H2O: Mermaid Adventures Season 1!
The lives of teenagers Emma, Cleo and Rikki are forever changed when a magical, forbidden island gives them the power to turn into mermaids.
Genres:AnimationFamilyKidsComedy
Network:KiKa
Season 1 Ratings Summary
"The Secret of Mako Island" is the best rated episode of "H2O: Mermaid Adventures" season 1. It scored 7.4/10 based on 23 votes. Directed by N/A and written by N/A, it aired on 6/1/2015. This episode is rated 0.3 points higher than the second-best, "Caught in the Net".