The popular 90's sitcom ?Roseanne? is making a revival and will be airing in 2018. It has also just been announced that ABC ordered another episode to the revival season giving fans a nine episode comeback. While fans are anxiously awaiting the series, Johnny Galecki who played David, has yet to sign on to the show. He hasnt finalized a deal to return to the show, and there has also been no word from him or anyone else about if he will appear in any of the episodes.