When a menacing red eye is about to hit Beach City, the only thing that can destroy it is a Laser Light Cannon which once belonged to Steven's mother, Rose Quartz. Thus, Steven enlists the help of his father, Greg, and they search through his storage for the cannon.

Steven brings a mascot costume to life with a magic shard owned by Pearl to help his friend Peedee with his job, but it backfires when the mascot goes rogue.

Steven tries to master his shapeshifting abilities from Amethyst, but turns his fingers into cats, making it harder to do things.

Lapis Lazuli disappears after reigniting a past conflict with Garnet, Amethyst and Pearl, and takes the ocean along with her, leaving Beach City in a panic on the first day of summer. Steven, Connie, Greg, Lion and the Gems go on a mission to confront Lapis and set things back to normal.

The Gems cause a power outage in Beach City, and Steven helps Mayor Dewey with damage control.

Peridot and her new partner, Jasper, arrive on Earth.

Ronaldo investigates the Crystal Gems in a web documentary for his "Keep Beach City Weird" blog.

Steven settles a rivalry between restaurant owners.