Episode 1
Reported Missing
Oct 1, 2015
Clownfish are disappearing from the bay, so the girls spring into action to find out why. A mysterious diver could be the culprit.
Episode 2
Memory Lapsse
Oct 2, 2015
When the stone circle causes Cleo to forget that she can turn into a mermaid, Emma and Rikki scramble to keep her from transforming in public.
Episode 3
Valentine's Day
Oct 3, 2015
Lewis promises to tell his Valentine's Day sweetheart, Abby, a big secret; Cleo is jealous and scared that he will give away the girls' mermaid identities.
Episode 4
Kidnapped!
Oct 4, 2015
The girls and Bobby the dolphin untangle a mystery when Bobby's twin, Robby, is captured by someone in a mysterious speedboat.
Episode 5
A Strange Phenomenon
Oct 5, 2015
When her father goes to sea on a mission, Cleo's worries begin to affect her dreams. Her nightmares could be trying to tell her something.
Episode 6
Handle with Care
Oct 6, 2015
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.
Episode 7
The Return of the White Mermaid
Oct 7, 2015
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.
Episode 8
Three Days Underwater
Oct 8, 2015
When a spell forces Rikki to remain a mermaid until the next full moon, she has to find a way to lie low, and underwater, for three full days.
Episode 9
Robot Duel
Oct 9, 2015
Lewis is thrilled when the university hosts an underwater robot competition, but the girls fret over the safety of their marine friends.
Episode 10
The Creature from the Bay
Oct 10, 2015
Emma's younger brother catches a glimpse of her mermaid tail and thinks he's seen a sea monster, and soon the whole town is in an uproar.
Episode 11
Underwater Takeover
Oct 11, 2015
The mermaids turn to a cranky giant octopus for help when the Vandals invade the bay with a horde of stinging jellyfish.
Episode 12
Imminent Danger
Oct 12, 2015
Having played one too many practical jokes, Teddy can't get anyone to believe his warning that an underwater volcano is about to erupt
Episode 13
Trapped
Oct 13, 2015
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.
Skip to content