DreamWorks Animation has released a new trailer for their upcoming film Mr. Peabody and Sherman. And Rope of Silicon has a little information about the attached Rocky & Bullwinkle short film: “The short was directed by Gary Trousdale (Beauty and the Beast) and features the voice work of June Foray (the original voice of Rocket J. Squirrel) and Tom Kenny (SpongeBob SquarePants) as Bullwinkle Moose”.