Untiled Flintstones Flim is an animated theatrical film in development starring The Flintstones. The movie will be directed by Will Ferrel.
What we know for now
It will be an animated film, it is unknown if it will be in normal animation or in CGI? Chances are that it will be in CGI, due to the majority of animated films these days being in CGI. Although, the CGI thing could still change.