The mermaids use a moon ring on Zac to investigate his growing connection to Mako. As a result, Zac has visions of an ancient merman chamber on Mako, which he goes to explore.
When Sirena insists that Mimmi and Ondina remove Evie's new mermaid tail, Mimmi reveals the astonishing range of her powers. She makes Evie morph in the cafe.
Sophie and Ryan damage the Moon Pool in their efforts to obtain the rare crystals. The girls improvise and use their own magic to prevent the impact of the comet.
Cleo discovers a comet is causing fish to flee the waters around Mako Island. The girls find a way to restart the message in the Moon Pool and discover the comet will collide with earth.
Don gets a second job at the Marine Park on the Pirate ship and outshines Cleo, threatening the future of her Dolphin show.
Bella's eager to ask Will to the end of year party until she sees him asking Rikki. A big misunderstanding occurs which prompts Will to express his true feelings for Bella.
AMBER, ZOEY and KIKI take a last surf of Lightning Point's waves. ZOEY and KIKI will miss this place – and AMBER – when they leave for Lumina tonight with BRANDON.
In the cave Alisa and the Heirs have to face the five dangerous tests of humanity. But the closer Alisa gets to finding the Knot, the more of her friends she needs to leave behind. Will she be able to get them back and who will stop Dracula from untying the Knot first?
Erik is keen to get to know more about Ondina. She's not interested in spending time with a land boy. After accidentally transforming into a mermaid in front of Erik, Ondina is devastated.
The mermaids use a moon ring on Zac to investigate his growing connection to Mako. As a result, Zac has visions of an ancient merman chamber on Mako, which he goes to explore.
AMBER, ZOEY and KIKI take a last surf of Lightning Point's waves. ZOEY and KIKI will miss this place – and AMBER – when they leave for Lumina tonight with BRANDON.
In the cave Alisa and the Heirs have to face the five dangerous tests of humanity. But the closer Alisa gets to finding the Knot, the more of her friends she needs to leave behind. Will she be able to get them back and who will stop Dracula from untying the Knot first?
Erik is keen to get to know more about Ondina. She's not interested in spending time with a land boy. After accidentally transforming into a mermaid in front of Erik, Ondina is devastated.
The mermaids use a moon ring on Zac to investigate his growing connection to Mako. As a result, Zac has visions of an ancient merman chamber on Mako, which he goes to explore.
When Sirena insists that Mimmi and Ondina remove Evie's new mermaid tail, Mimmi reveals the astonishing range of her powers. She makes Evie morph in the cafe.
Sophie and Ryan damage the Moon Pool in their efforts to obtain the rare crystals. The girls improvise and use their own magic to prevent the impact of the comet.
Cleo discovers a comet is causing fish to flee the waters around Mako Island. The girls find a way to restart the message in the Moon Pool and discover the comet will collide with earth.
Don gets a second job at the Marine Park on the Pirate ship and outshines Cleo, threatening the future of her Dolphin show.
Bella's eager to ask Will to the end of year party until she sees him asking Rikki. A big misunderstanding occurs which prompts Will to express his true feelings for Bella.
Abigail and Tara join forces to go head to head with a formidable enemy and Christian has to choose between being with the girl he loves and his desire to escape.