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13 Episodes 2015 - 0
Episode 1
Wed, Jul 15, 2015 24 mins
In the Season 2 opener, clown fish begin to vanish, so the girls investigate why this is happening.
Episode 2
Wed, Jul 15, 2015 24 mins
Cleo forgets about her ability to change into a mermaid, so Emma and Rikki must make sure she doesn't transform in public.
Episode 3
Wed, Jul 15, 2015 24 mins
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.
Episode 4
Wed, Jul 15, 2015 24 mins
Bobby's twin brother gets abducted by someone in a curious speedboat.
Episode 5
Wed, Jul 15, 2015 24 mins
Cleo has some powerful nightmares after her father goes to sea on a mission.
Episode 6
Wed, Jul 15, 2015 24 mins
Bernie leaves his cave to escape the noise of a nearby beach party, and the Vandals invade his place while he's away.
Episode 7
Wed, Jul 15, 2015 24 mins
The girls try to safeguard the White Mermaid by directing Stanley Finch to the underwater stone circle.
Episode 8
Wed, Jul 15, 2015 24 mins
Rikki must stay a mermaid for three whole days, so she tries to hide underwater the entire time.
Episode 9
Wed, Jul 15, 2015 24 mins
Lewis is excited about an underwater robot contest, but the girls are worried that it may harm their marine pals.
Episode 10
Wed, Jul 15, 2015 24 mins
Emma's little brother sees her mermaid tail and mistakes it for a sea monster.
Episode 11
Wed, Jul 15, 2015 24 mins
The Vandals bring a group of stinging jellyfish into the bay, so the girls seek assistance from a grumpy octopus.
Episode 12
Wed, Jul 15, 2015 24 mins
No one believes jokester Teddy when he tries to warn them about the imminent eruption of an underwater volcano.
Episode 13
Wed, Jul 15, 2015 24 mins
Lewis and an explorer search for a sunken treasure ship, but they get stuck at the bottom of the ocean.