The big draw following the thrilling Super Bowl was a fresh episode of "This Is Us." But, very mysteriously, there was suddenly something else big to see. Netflix surprised nearly everyone by streaming the latest "Cloverfield" film directly after the game. But up against one of TV's most popular shows — promising an answer to a long-running cliffhanger — was it a terrible miscalculation or an attempt to hide a clunker? The answer is a bit of both.