September 11, 2018
Join Barbie and her sisters as they go on an adventure to a tropical island where Ken is doing a marine biology internship. While snorkelling, they discover a young dolphin trapped in an enclosure, a beautiful bright green Gemstone Dolphin! Soon after, the girls discover that the dolphin is being held by Marlo, the biologist Ken is interning with, and that she wants to make money by exhibiting the dolphin for its unique traits. Barbie, her sisters and friends, must free the dolphin before it is too late.