"You don't need to know my name in order to play; you just need to know the rules. Didn't I tell you? We're going to play a game."
Zac and the girls are somehow thrown into the H2O world. Trying to figure out a way back home, they have to cope with many complications. They'll face a lot of difficulties, including being affected by the crystal necklaces. The H2O gang will also face new challanges like the stone of the trident and many more. What will be the reaction of the two gangs when they finally meet?
The H2O characters now have kids! And everything is tumbling down! Bella is being forced to let go of something she loves, Emma is injured and has to deal with another Mermaid, Rikki has been threatened to be exposed, Cleo is fighting her own battle, and Charlotte was just trying to help...
When Emma returns home, the girls decide to spend the night at Mako. When a strange comet made of moonstone comes crashing in, the girls are on the case. Rikki discovers that whenever they're around moonstone, their powers get stronger. Why would their powers need to be advanced? Would something be threatening the moon pool, and would they have to protect it before it's too late?
Six years ago, five year old Ava Rose was found on the beach all alone. Now that she is getting older, she starts to wonder who her real parents are, where they are, and why they abandoned her. Will she solve the mystery of her life, with the help of her adoptive parents?
What happens when anubis burns down and the gang is sent to Australia (season 3 characters not in the begging but will be later on.
In my H20: Just Add Water season four continuation; Cleo, Rikki, and Bella struggle with a new and possibly threatening source. They will have to try harder at keeping their mermaid secret because people are wondering what has been happening on Mako Island and want to discover the truth behind the beautiful island. Also, the group reunites with some former friends and enemies.
Someone in the H2O gang dies, their boyfriend and the rest of the gang are devastated but something interesting happens. Names will be written in soon Holly
Elizabeth and June are two best friends who live in California. One day, they go off of school grounds, and to a strange beach. A note in a bottle, and two gorgeous necklaces give these girls the surprise of their life when the full moon rises over the waves. Can these girls handle suddenly becoming mermaids, keeping the secret, avoiding water, and being freshman in high school?
No one knew who Rikki really is...Zelda B Hoiely! But what happens when her friends find out?