Entertainment Weekly reports that Robert Downey Jr. will star in a computer animated adaptation of Peabody and Sherman, a cartoon series shown with The Rocky and Bullwinkle Show. The Iron Man star will voice the genius canine, Mr. Peabody. The movie is scheduled to be released in 2014 as a 3-D film and is being written by Jeffrey Ventimilia and Joshua Sternin, the team who adapted the new Yogi Bear movie.