Year: 2017
Runtime: 63 mins
Language: English
Directors: Michael Douglas, Conrad Helten
Barbie and her sisters take off on another exciting, global adventure to visit their friend Ken at his summer internship at a beautiful and exotic coral reef.
Warning: spoilers below!
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Read the complete plot breakdown of Barbie: Dolphin Magic (2017), including all key story events, major twists, and the ending explained in detail. Discover what really happened—and what it all means.
In this aquatic adventure, a mermaid named Isla and her four dolphin companions hide from a ship. The youngest dolphin, named Emerald, is captured as a rare gemstone dolphin when a mysterious woman promises a reward. The mermaid tells the dolphins to stay put and sets off in pursuit of the boat.
Ken has taken an internship at a marine biology institute, and has arranged for Barbie and her sisters to stay in a beachside cabin nearby. While scuba diving, Skipper notices a strange animal heading towards the institute, and they follow it in the boat. Upon arrival, they find the perfectly healthy dolphin imprisoned in a cove modified into a recovery tank. Ken concludes that Emerald must have accidentally gotten in when the gate was open. Marlo, the institute’s director, Marlo, stops them from letting Emerald out, saying she has to wait until a vet can see him per protocol.
The mermaid introduces herself as Isla, and reluctantly agrees to trust Barbie and return next afternoon when the Vet is supposed to be there. The sisters offer her a bed in the cabin, and she proceeds to amuse and puzzle them with her lack of experience with such simple concepts as mattresses, toothbrushes, sisters, dogs, and even sandwiches.
The next day, Emerald’s family Ruby, Topaz, and Amethyst show up, and Isla reveals her secret to Barbie while swearing her to silence about it, which Barbie agrees to keep on condition that Isla teach her how to swim like a mermaid. They hear Emerald’s cries through a cave and realize there is an underwater tunnel from the bay into the cove. Isla and the Dolphins try to find the way through to free Emerald, but the cave system is too complex and they have to give up. Meanwhile, Stacie, Chelsea, and Skipper see a sideshow company’s helicopter land at the institute, and when they follow it they learn that Marlo intends to sell Emerald to the owner.
The dolphins disobey Isla and head for the cove. Marlo has Ken open the gate and then close it behind them on the pretext that they will help reduce Emerald’s stress level. Ken suspects something is off, and when the rest arrive after Marlo leaves, he realizes the truth and goes to open the gate; however, Marlo has already changed the code.
Skipper and Chelsea hatch a plan to hack into Marlo’s key fob device for locking the gate, which succeeds, but Marlo changes the code again and destroys the device. Isla dives into the cove, reveals herself as a mermaid to the rest of the group, and hides the dolphins in the caves. Marlo, thinking they got out through the gate, sets off in the helicopter. Isla gives Barbie a magic shell, Barbie goes to the other end of the tunnel in the bay and uses it to create a signal that Isla can follow to help the dolphins escape. They make their way to Ken’s motorboat, but Marlo spots them in the bay and gives chase in the helicopter. Barbie disguises herself as a mermaid and swims the other way, allowing Marlo to pursue and capture her while the rest make it to safety. Once Marlo realizes her mistake, she lets Barbie go, but Barbie tells her she plans to go to Marlo’s superiors and the authorities about the dolphin poaching.
Later, once the area is safe, Barbie uses the shell to summon Isla back to the beach while the dolphins play offshore. Barbie dubs Isla her “sister of the sea” and they vow to always remain friends.
Last Updated: October 01, 2025 at 13:04
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