Sabrina and her witch friend Gwen embark on a vacation to Australia's Great Barrier Reef to protect a hidden mermaid colony from ocean pollution and a marine biologist's quest for fame. Along the way, Sabrina finds romance with a "merman" named Barnaby, while Salem the cat pursues a potential romance with a witch-turned-cat named Hilary, but their plans are hindered by Sabrina's problems.
Sabrina, Down Under
A lively young witch named Sabrina embarks on a thrilling adventure to Australia, accompanied by her British friend Gwen, and discovers a hidden underwater world inhabited by a charming merman named Barnaby.