Tonight Cartoon Network will air the Steven Universe/Uncle Grandpacrossover episode it teased at its upfronts in February.
Connecting two completely different shows had fans wondering what the animators were thinking… but the Cartoon Network press release for the upcoming crossover “Say Uncle” implies that the someone in the Uncle Grandpa universe is related to Steven and will help him with his gem powers.
Below is an AV Club exclusive sneak peek.
