After disobeying her mother's rules, she discovers that she is descended from the warrior Kraken queens and will ascend to the throne as the Warrior Queen of the Seven Seas, her grandmother.

It’s the mermaids who are the real demons. That’s the upside-down premise to DreamWorks Animation’s sweet Ruby Gillman, Teenage Kraken, an animated tale about generational sisterhood with ...

While trying to navigate the usual problems of an awkward teenager, Ruby also has to contend with the fact that she's actually a kraken who turns into a giant monster whenever she ends up in water.