<Tr> <Th> 26 </Th> <Td> "A Twist in the Tail" </Td> <Td> Jeffrey Walker </Td> <Td> Philip Dalkin </Td> <Td> 29 December 2006 (2006 - 12 - 29) </Td> <Td> 126 </Td> </Tr> <Tr> <Td_colspan="6"> Now that the mermaids have been identified, Dr. Denman continues her pursuit of them by holding Lewis hostage on her boat and using his mobile phone to lure the girls to the Moon Pool, where she traps them . 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 . Eventually, his conscience leads him to set Lewis and the girls free (much to his father and Dr. Denman's annoyance), but the mermaids are not out of trouble yet . Knowing that Dr. Denman and the scientists will still come after them, the girls must make a tough decision . Miss Chatham tells them of the forthcoming lunar eclipse, and says that, if they enter the Moon Pool when the eclipse passes over it, it will draw their powers away from them . As normal girls, the three of them would be of no interest to the scientists, and would be out of danger . The girls make the choice to enter the pool, and while their powers seem to vanish completely, the next morning they find they've become mermaids again: the eclipse only affected them for 12 hours . </Td> </Tr> <P> A full moon, in conjunction with a rare planetary alignment, calls the girls to the moon pool at Mako Island where their powers are greatly augmented and strengthened . The second series revolves around the arrival of a new girl, Charlotte Watsford (Brittany Byrnes), who moves into the area and develops an instant attraction to Lewis . After Charlotte sees a film of her grandmother Gracie as a mermaid she meets Max Hamilton (Martin Vaughan) who was once romantically involved with Gracie . Happy to have met his lover's granddaughter, he tells her about the previous mermaids--Louise, Julia, and Gracie--and of Mako Island . Charlotte travels to the moon pool during a full moon and becomes the fourth mermaid in possession of all the girls' powers . Believing herself superior, she and the girls become sworn enemies . This conflict results in a confrontation during an especially powerful full moon, which ends with Charlotte being permanently stripped of her mermaid form and abilities . </P> <P> Series two also focuses on the romantic entanglements of the girls . Cleo breaks up with Lewis for being too clingy and protective after which he dates Charlotte . Rikki and Zane start dating again after breaking up during the series one finale . Emma meets Ash (Craig Horner) and flirts with him but he is frustrated by the secrets she constantly holds back . She eventually relents and tells him that she is a mermaid . Torn because of the conflict between his friends and Charlotte, Lewis comes to the conclusion that his loyalties lie with the girls and with Cleo in particular . He breaks up with Charlotte and begins dating Cleo again . </P>

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