is the premiere episode of the first season of the animated series Mighty Magiswords , which originally aired on September 29, 2016.
It was the first full-length episode produced for the series after its initial run of web shorts.
This episode highlights their unique arsenal, including the Dolphin Magisword , which they use to navigate the water.
You can find more detailed plot summaries and character appearances on the Mighty Magiswords Wiki .