A young boy takes his mother's place in a group of gemstone-based beings, and must learn to control his powers.

Zach Callisonas Steven Universe (voice)
Estelleas Garnet (voice)
Michaela Dietzas Amethyst (voice)
Deedee Magno Hallas Pearl (voice)
Kimberly Brooksas Jasper (voice)
Dave Willisas Andy (voice)
Braden Fitzgeraldas Young Ronaldo / Lighthouse (voice)
Eric Bell Jr.as Li'l Butler (voice)
Mason Cookas Young Lars / Lighthouse (voice)
AJ Michalkaas Stevonnie (voice)
Lamar Abrams
Hilary Florido
Joe Johnston
Rebecca Sugar
Kat Morris
Ian Jones-Quartey
Adam Muto
Pendleton Ward
Matt Braly