Stunning video shows tiny dog make daring leap from bedroom window

Meet Underdog minus the cape. Jaw-dropping home-surveillance footage shows the moment a tiny Maryland mutt made a flying leap out of a one-story bedroom window — then pranced away unscathed, one of his owners told The Post on Friday. “When I saw the video, I was like, ‘Oh my gosh!’” said Haylie Diaz, 20, of…