Viral Video of the Day: Cat Saves Boy From Dog Attack

Step aside, Grumpy Cat. This is a feline we can all truly love.

Who really is man's best friend? After a dog sneaks up on this young bicycle-riding kid and ferociously bites him on the leg, a most unlikely hero comes to the rescue. The boy's brave housecat attacks the dog and chases it away, and the video is truly amazing.