Golden Retrievers flummoxed by a few inches of water

These two Golden Retrievers, Mr. Tub and Blue, are equal parts hilarious, pathetic, and endearing, in their ongoing quest to figure out how to retrieve a ball that's only a few inches underwater. To the flummoxed pooches, though, the ball might as well be 20,000 leagues under the sea.

Their confusion about their precious underwater tennis balls is captur…