Mr. Peabody & Sherman Review By: Matt Cummings Mr. Peabody & Sherman satisfies everyone's need for heartwarming animated fare. Among the early entries into American animated television, The Rocky and Bullwinkle Show represented the closest thing to high-brow entertainment. A trio of weekly animated shorts, the show began airing in the late 1950's, and followed the adventures of an oddly-paired squirrel and moose. Nestled somewhere between that and Boris and Natasha was the time-travel historical skit Mr. Peabody & Sherman , which arrives this week into theaters. The result is a welcomed relief from the explosion-filled manliness of late Winter, and might even tug at your heartstrings. The smartest person in the world is no human, but the dog Mr. Peabody (voiced by Ty Burrell ), a canine of industry, adviser to heads of state, accomplished musician and a top chef. His adopted son Sherman (voiced by Max Charles ) forms a duo that travels th