Rick and Morty co-creator Justin Roiland announced via Twitter that he has a new animated series titled Solar Opposites in development at Fox.

In addition to a character sheet, Roiland tweeted a few storyboard-style sketches and explained the series’ premise: A family of aliens escapes its doomed home world and ends up on Earth living in the suburbs.

The tweets prompted an unhappy but eventually resigned response from Roiland’s partner on the show, Mike McMahan.

It’s not clear what stage the show is in at Fox or when it might air. But given the success of Rick and Morty, fans are already paying attention and waiting for the new show.