It is then up to Emma and Rikki to keep Cleo out of trouble until the moon sinks; but, while they both sleep, Cleo phones up the local radio station, and gets her voice on the radio. Need some streaming picks for the month? Rikki forces Ryan out with her powers, but Will tells her that she has only made things worse. Meanwhile, Lewis' science teacher, Ms. Taylor, is impressed by Lewis' science project – not realising that it is actually his apparatus for studying the floating water from the Moon Pool. But just as Emma is starting to accept Ash, some food gets stored in the wrong place and spoiled, and Ash, believing that it must have been Emma because she was the only one protesting about the changes, fires her. Rikki discovers this, and tries to warn the others that Ryan is on to them, but Bella and Cleo don't believe her, as they are beginning to lose trust in Rikki. But Sam and Don get the wrong idea when Cleo refuses to go swimming with Sam, and think that Cleo is the one who has a problem with her. Rikki goes to Mako Island herself (with Will tailing her), and uses her powers to destroy Ryan's equipment, but when she starts going too far, Will springs out, and stops her. The First Dates restaurant throws open its doors to single people looking for love She thinks he only likes the mermaid side of her. Rikki and Bella experiment with their crystals, and are fascinated by how they react when near each other; the crystals produce a blue glow that mesmerises the girls, similar to the effect of a full moon, and, when actually touched together, they release a powerful energy burst, that causes an electrical blackout! In the end, Lewis tells Cleo that he is not going to America because he loves her, and Cleo forgives him. Realising what Charlotte has done, the girls then organise a party boat to come and take Lewis from Charlotte's terrible party, and then tell Charlotte that she is not one of them any more. When Lewis gets the blame, and his boss threatens to have him arrested, Emma and Rikki are forced to confess to Cleo, and the three of them search the ocean for Ronnie. A fight leads to Charlotte taking Cleo's locket, and when Lewis does nothing (believing that Cleo gave the locket to Charlotte, because it was her grandmother's), an upset Cleo is convinced that Lewis is on Charlotte's side, and leaves a phone message for him (which he doesn't hear, as Charlotte has stolen his phone), about how he has abandoned her and wants nothing to do with her, before running away from home. But as she swims out of the wreck, Zane sees her (but luckily doesn't recognise her because of her red hair). The show was announced in December 2013 and was picked up by CBS as a midseason offering for the 2014–15 season. She and Lewis travel back to Mako Island to try to find out how the girls were transformed into mermaids, and Emma finds a mysterious locket at the bottom of the Moon Pool, and thinks that it may be important. The girls try to stop Lewis from taking her there, but he refuses, thinking they are being paranoid. After almost killing Ronnie the dolphin in a fit of panic, she then tries to get revenge on Nate when he attacks Lewis, and it takes all the girls' effort to stop her. Charlotte tries her hardest to fit in with the girls, and their obvious resistance to accepting her upsets her. Lewis instead decides to take Charlotte as his date, but then Cleo changes her mind, and accepts Lewis' invitation, not realising that Charlotte is going in her place. Cleo finds an unusual crystal in a rock from the Moon Pool, identical to the one in Bella's necklace, which she collected from the Moon Pool in which she was transformed. When Rikki and Cleo realise that Will has made a connection between Bella, Mako, and the full moon, they warn Bella to stay away from him, but she can't. Where is Charlotte Lewis? At first, the girls are unconcerned, as Zane has no evidence that Miss Chatham knows anything; but when they discover that Zane is planning to dive down to Miss Chatham's wrecked houseboat, Miss Chatham tells them of some old photographs of her and her mermaid friends, locked in a metal chest on board. The girls, however, almost feel Cleo's tail, and she has to use her power to blow up the drinks as a distraction. But Bella isn't there – she has been kidnapped by the water tentacle! But the pair are forced to talk to each other when they get trapped on a balcony. But she and the other girls have much more to worry about, when Lewis and Cleo spot their old enemy Dr. Denman's boat anchored near Mako Island. Zane has promised to give the winner of the race a prize of $1000, but, knowing full well that he is the best biker in town, enters the competition himself, so that he won't have to hand out the money. She and Emma later put the same fish on the other contestants' lines to prove Cleo’s dad wrong, and Lewis is reinstated as the winner. She gets her chance when Ryan (who is annoyed that Sam has ended his research on Mako Island), spots the crystal in Bella's necklace, and tells her that it might be valuable. Lewis attended Bishop Douglass School, Finchley.She began exhibiting theatrical interest from an early age and made her acting debut in the 1978 series Grange Hill where she portrayed the character, Samantha. With Bella and Cleo delayed, Will hurries after Rikki, but instead of finding the tentacle attacking her, he finds her somehow controlling it. When the girls find out that Zane now knows about mermaids, Rikki tracks Zane down and says she will be his girlfriend, provided he stops his mermaid hunt. Thrilled with her new position, Sophie immediately starts making changes to the cafe, and hires Cleo's sister Kim as a waitress. Emma's swimming career is in jeopardy, and Cleo feels isolated when she realises that she can't go to fashionable Miriam's pool party. Also, the girls try to keep Will, who is in the house while looking for Bella with whom he has to do a project for school, from seeing Hector. Cleo's father then schedules Cleo a re-sit for the exam, and also finds her a new tutor... Charlotte. The girls realise that they are really in trouble when Cleo sneaks into Dr. Denman's lab, and discovers a scientific article on Dr. Denman's laptop about her unusual cell sample. Meanwhile, at the boring birthday party that Charlotte has organised for Lewis, Charlotte jealously locks Cleo and Emma in a flooded storage room, where they are left trapped as mermaids. When Kim demands an expensive holiday, Cleo's father gets a second job doing a pirate show at the marine park, so that he can afford it. Back at the Moon Pool, Rikki discovers that bonding with the tentacle has strengthened her powers. Emma is forced to dive down to the sinking boat in order to save Zane, and risks him discovering that she is a mermaid, but he just glimpses her tail before he passes out. Resulting in Charlotte becoming a mermaid herself, following the footsteps of her Grandmother. Unfortunately, by choosing Cleo over Charlotte, Lewis has created an even bigger enemy in Charlotte. But Cleo's determination to lead a normal life without being scared of every drop of water she sees convinces Emma, who reschedules her sleepover. Emma returns to normal and ends up grounded when her parents see the lobster pieces around her. You must be a registered user to use the IMDb rating plugin. Lewis discovers that the girls are mermaids but promises to keep their secret. Only afterwards do the girls realise their mistake; Charlotte's mother was a business associate of Cleo's father, interested in buying some of his catch. Cleo then stands before everyone in the house, and, to Rikki and Emma's surprise, sings with the most beautiful voice imaginable. Unable to convince Emma to tell Ash the truth about herself, Rikki and Cleo encourage Ash to make a bold, romantic gesture to her. Meanwhile, Nate convinces Lewis that Cleo broke up with him because he wasn't manly enough, and offers to teach him judo. With the girls unaware that Charlotte now knows about them, and also preoccupied with the arrival of the full moon, they are unable to stop her from travelling back to Mako Island and diving into the moon pool just as the full moon passes. But when Emma and Cleo discover that the recovery of the statue was all about making money, they take off, leaving Rikki and Zane to find the statue on their own. The day of Don and Sam's wedding arrives, and selfish Kim tries to ruin everything. But when Zane accidentally spills some drinks on Emma at the cafe, he is forced to have an argument with Ash to stop him from seeing her as a mermaid. The real thief turns out to be Angela, who used the pelican as a distraction so that she could go body boarding. Charlotte is manifested into a Monster. A rare full moon with the power to strip away the girls' powers permanently is approaching. Back on dry land, however, she meets a man claiming to be a Marine Park breeder of rare fish, who offers to pay her good money for more rare fish specimens. Sophie is delighted with Will's record breaking dive of 80 metres, but after the competition, Will gives up competitive free-diving to shrug off Sophie's influence. Unable to perform without sneezing (and unleashing her mermaid powers on everyone), Bella is close to being fired from the cafe by the brutal Sophie. Meanwhile, on the night of another full moon, it is Rikki's turn to be moonstruck, when she glimpses the moon's reflection in a glass of water, and undergoes a catastrophic change; she loses control of her ability to heat water, and begins boiling everything around her. Cleo's voice, however, seems to be luring hundreds of teenage boys to her house, and under the spell of her voice, Lewis kisses her, and is thrown out by her father. But when they manage to pry her away from the tentacle, Bella says that she felt safe when she was with it. To put the kids off the scent, the girls decide to make them think that the diary is about someone else, and choose Miriam as their decoy, using their powers to make it look as though Miriam has powers of her own. The girls attempt to forewarn Charlotte, but Charlotte instead uses her powers against them out of spite. Cracks are beginning to form in the girls' relationship, and Cleo and Bella become worried when Rikki starts spending all of her time in the Moon Pool. But Zane makes a mistake when he lets slip to ex-girlfriend Miriam that Rikki was looking at the locket, and Miriam buys it just to spite her. With Cleo's parents now divorced, Cleo is ordered by her father to take more care of Kim, starting with taking her to a concert. Charlotte's short-lived friendship with Emma, Rikki and Cleo is over, and she forbids Lewis to talk to them. A strange creature made entirely of water forms and attacks Will. Meanwhile, Cleo's friends and family become convinced that she has a secret boyfriend when she starts making odd phone calls and sneaking out of the house... unaware that she is only going to the marine park to care for a sick dolphin that seems to have a 'crush' on her. Soon after Lewis broke up with Charlotte he gets the locket back which truly belongs to Cleo Sertori. The series focuses on the girls dealing with everyday teen problems while trying to cope with their newfound abilities. But he later finds out that it was another member of staff who simply got confused because of the quick changes, and gives Emma her job back after promising to remove some of the changes. Will Charlotte's lack of control mean the exposure of the mermaids' secret? All seems lost, but Bella, Cleo and Rikki band together, and use their own magic to create a tower of water and light, that knocks the comet off course, making it miss the Earth. When they enter an underground pool of water that leads to the ocean they find themselves bathed in the glow of moonlight from overhead. Meanwhile, Zane is determined to find the "sea monster" that saved him from drowning, and recruits Lewis to help him. Cleo counts down the days to her sixteenth birthday, not with excitement, but with dread. In an attempt to get Cleo her job back, Emma and Rikki use their powers to make Lewis' job ten times harder, but he soon finds them out, and sends them off. She eventually relents and tells him that she is a mermaid. The perfect opportunity comes when the four of them are placed on the school's beach volleyball team to stop them from failing gym class (as they have been avoiding swimming lessons). Cleo and Emma discover that they have powers to control water. Irritated, Sophie tells Bella to stay away from Will, as she sees her as a distraction for him, but Bella doesn't listen. Keep track of everything you watch; tell your friends. When Cleo follows Lewis and Charlotte to Mako Island, Rikki and Emma join her as well. After discovering that the three mermaids are in fact Rikki and her friends, Zane is left torn about where his loyalties lie; with his father, or with Rikki. But she is soon in over her head, when Will visits the park, and takes a swim with Ronnie, and his influence has the dolphin performing tricks that he has never done before. Cleo is fired from her job at the marine park for feeding Ronnie the dolphin the wrong food, but Emma and Rikki tell her not to worry, and that her boss will soon call her back. At the local boat yard, Emma finally meets the mysterious old woman who has been following Cleo around; Miss Chatham. Lewis is accused of cheating, and is kicked out of the competition, leaving Cleo feeling guilty. A stressed out Cleo is trying to plan study sessions for the girls' final exams, but Bella and Rikki are more preoccupied with finding out about the tentacle. But with Emma being a megalomaniac manager, and Rikki a lazy employee, things don't work out, and Rikki quits after Emma gives her a hard time for being rude to demanding customer Miriam.