MLB: Baseball's Seasons

Watch MLB: Baseball's Seasons full movie online Movies123. Watch MLB: Baseball's Seasons 123movies online for free. MLB: Baseball's Seasons 123movies: Baseball's Seasons is a documentary series on MLB Network. Each episode takes a look at a season in the history of Major League Baseball. It first aired January 7, 2009 in the first week of the network's existence. Like a lot of the network's other original programming, Baseball's Seasons airs during baseball's offseason.