universe is expanding with an animated spinoff series ahead of the flagship's final season.The untitled animated series will be set in the world and will be developed by the Duffer Brothers, Shawn Levy, Dan Cohen and Eric Robles, it was announced Monday.According to the Duffer Brothers, the new series was inspired by childhood cartoons they watched as kids.“We’ve always dreamed of an animated in the vein of the Saturday morning cartoons that we grew up loving, and to see this dream realized has been absolutely thrilling," the Duffer Brothers said in a statement. «We couldn’t be more blown away by what Eric Robles and his team have come up with — the scripts and artwork are incredible, and we can’t wait to share more with you! The adventure continues…”News of the animated series comes as the fifth and final season approaches.»I know a little bit about where it's headed and it's really exciting," star David Harbourtold ET in September 2022, «but you'll see it in another 15 years when it's able to be released when we've shot it.» Millie Bobby Brown said in a recent interview with that she is «very ready to say goodbye» to the series after first joining it when she was 12 years old.«I'm definitely ready to wrap up.