This article is about the first season of the H2O: Mermaid Adventures series. To view the first season of H2O: Just Add Water click here and to view the first season Mako: Island of Secrets click here.
- Next season: Season 2
The first season of H2O: Mermaid Adventures.
Episodes
Image | Title | Original Airdate | Episode | ||
---|---|---|---|---|---|
The Secret of Mako Island | May 22, 2015 | 01 | 1.01 | ||
Cleo, Emma and Rikki get stranded on Mako Island and fall into a magic pool where their lives change forever. | |||||
Caught in the Net | May 22, 2015 | 02 | 1.02 | ||
Emma competes in a contest, Cleo is stuck babysitting an intern and save an injured sea turtle. | |||||
The White Mermaid | May 22, 2015 | 03 | 1.03 | ||
The girls discover of an ancient mermaid statue and return it but treasure hunters have another idea. | |||||
A Stormy Party | May 22, 2015 | 04 | 1.04 | ||
A storm threatens to wash out a birthday party. | |||||
Mako Island Hotel | May 22, 2015 | 05 | 1.05 | ||
Zane's father plans a luxury resort on Mako Island. | |||||
The Mysterious Seaweed | May 22, 2015 | 06 | 1.06 | ||
Aggressive blue seaweed attacks Emma. | |||||
It's in the Bag! | May 22, 2015 | 07 | 1.07 | ||
Discarded plastic bags pose a threat to Teddy and his friends. | |||||
Dolphin City Triangle | May 22, 2015 | 08 | 1.08 | ||
Atmospheric disturbances result in disastrous consequences. | |||||
Poseidon's Daughter | May 22, 2015 | 09 | 1.09 | ||
Dolphin City is the location for a new movie. | |||||
Dolphin City Mascot | May 22, 2015 | 10 | 1.10 | ||
Danny gets captured by the Oceanic Center for observation. | |||||
Bad Waves | May 22, 2015 | 11 | 1.11 | ||
Lewis and the girls must find what's behind mysterious sound waves that are creating havoc. | |||||
Jaws-ache! | May 22, 2015 | 12 | 1.12 | ||
Burke breaks a tooth and wanders near the beach in pain, causing a panic. | |||||
The Lost Ring | May 22, 2015 | 13 | 1.13 | ||
Rikki takes matters into her own hands by spying on her dad and his new girlfriend. | |||||
Reported Missing | July 15, 2015 | 14 | 1.14 | ||
Clown fish begin to vanish, so the girls investigate why this is happening. | |||||
Memory Lapse | July 15, 2015 | 15 | 1.15 | ||
Cleo forgets about her ability to change into a mermaid, so Emma and Rikki must make sure she doesn't transform in public. | |||||
Valentine's Day | July 15, 2015 | 16 | 1.16 | ||
Lewis wants to share a big secret with Abby on Valentine's Day, and Cleo worries that he will tell her about the girls' mermaid identities. | |||||
Kidnapped! | July 15, 2015 | 17 | 1.17 | ||
Bobby's twin brother gets abducted by someone in a curious speedboat. | |||||
A Strange Phenomenon | July 15, 2015 | 18 | 1.18 | ||
Cleo has some powerful nightmares after her father goes to sea on a mission. | |||||
Handle With Care | July 15, 2015 | 19 | 1.19 | ||
Tired of the racket Miriam and Zane are making at their beach party, Bernie leaves his cave -- giving the Vandals a chance to move right in. | |||||
The Return of the White Mermaid | July 15, 2015 | 20 | 1.20 | ||
To protect the White Mermaid, the girls guide explorer Stanley Finch to the underwater Stone Circle, whose magic makes Stanley think he's a pirate. | |||||
Three Days Underwater | July 15, 2015 | 21 | 1.21 | ||
When a spell forces Rikki to remain a mermaid until the next full moon, she has to find a way to lay low -- and underwater -- for three full days. | |||||
Robot Duel | July 15, 2015 | 22 | 1.22 | ||
Lewis is thrilled when the university hosts an underwater robot competition, but the girls fret over the safety of their marine friends. | |||||
The Creature From The Bay | July 15, 2015 | 23 | 1.23 | ||
Emma's younger brother catches a glimpse of her mermaid tail and thinks he's seen a sea monster -- soon the whole town is in an uproar. | |||||
Underwater Takeover | July 15, 2015 | 24 | 1.24 | ||
The mermaids turn to a cranky giant octopus for help when the Vandals invade the bay with a horde of stinging jellyfish. | |||||
Imminent Danger | July 15, 2015 | 25 | 1.25 | ||
Having played one too many practical jokes, Teddy can't get anyone to believe his warning that an underwater volcano is about to erupt. | |||||
Trapped | July 15, 2015 | 26 | 1.26 | ||
Lewis joins a famous explorer in a high-tech submarine to hunt for a sunken treasure ship, but a mishap strands them at the bottom of the sea. |