The movie "Barbie Fairytopia: Mermaidia" features both fairies and mermaids. It is the second installment in the Fairytopia series and follows Barbie as Elina, a fairy who must rescue her mermaid friend, Nalu. The film showcases themes of friendship, bravery, and adventure as Elina navigates the underwater world to save Nalu from the villainous Laverna. The combination of fairies and mermaids adds a magical element to the story, making it a colorful and enchanting experience for viewers.

You can watch "Barbie: Fairytopia Mermaidia" on various streaming platforms such as Amazon Prime Video, Google Play Movies, and YouTube. Additionally, it may be available for rent or purchase on platforms like Vudu and Apple TV. Check your local listings or subscription services, as availability can vary by region.

As of October 2023, "Barbie Fairytopia: Mermaidia" is not available on Netflix. The availability of movies can change, so it's always a good idea to check the current library of Netflix or other streaming services for the latest information. You might also find it on platforms like Amazon Prime Video or other rental services.

"Barbie Fairytopia: Mermaidia" is a sequel to "Barbie Fairytopia," which was released in 2005. It continues the story of Elina, a fairy who embarks on a journey to save her mermaid friend, Nalu. Both films are part of the Fairytopia series, which includes the original "Barbie Fairytopia" and later installments like "Barbie: Fairytopia - Magic of the Rainbow." These films highlight themes of friendship, bravery, and self-discovery within a magical fairy world.