Based on the original Emmy Award-winning series, the all-new CG-animated "Muppet Babies" chronicles the hilarious playroom antics of a young Kermit the Frog, Piggy, Fozzie Bear, Gonzo and Animal.

How’s that work? Well, basically, the answer is Jim Henson. He was so widely beloved in Hollywood that producers would just let him use their stuff, with a handshake agreement not to do anything ...