Cartoon Network (Television network)
Author
Series
Pub. Date
[2019]
Language
English
Appears on list
Description
"Steven and the Crystal Gems embark on an epic musical journey. After the Harmony Core, an ancient Diamond Authority artifact, accidentally activates on Earth, capturing the people of Beach City, it's up to Steven to save the day. Responsible for guarding the bubbled Harmony Cores, he'll have to find a way to stop its song before his friends are trapped forever!"-- cover page 4.