《人鱼秘境 第一季》是一部由澳大利亚地区于2013年出品的喜剧类电视剧。该片由山姆·卡罗尔、Anthony Morris、Chris Roache担任编剧，Evan Clarry、格兰特·布朗亲自指导拍摄。主要演员包括露西·弗莱、Amy Ruffle、柴·汉森、Ivy Latimer、Dominic Deutscher、Rowan Hills、Kerith Atkinson、Gemma Forsyth、Brooke Nichole Lee等澳大利亚著名影星。
Zac is a teenage boy who decides to camp on Mako Island, unaware that three mermaids, Sirena, Nixie and Lyla, who are guardians of the island, are watching him. That night, when the full moon rises, the boy comes into contact with the magic water of the Moon Pool. The following morning, Zac wakes up discovering he has become a merman with a fish-like tail and the ability to control and manipulate water. His new-found merman abilities will cause problems for the mermaids.The three mermaids, curious about living on land, are transformed into humans while in the moon pool during a full moon, now having the ability to live like humans.