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.

...the electricity of opening day ...a kid's awe at his first big-league game ...the close-up presence of heroes, heroes and more heroes. It's all here in GRAND SLAM!, an exciting new and original tribute to baseball and 37 of its greatest living legends. Join them, guest star Billy Crystal and host Dick Schapp, ABC-TV national sports correspondent, as they share insights, opinions and surprising revelations, interwoven with some of the most amazing baseball action footage you'll ever see! Plus a superb soundtrack of original songs composed by award-winner Bill Conti ("Rocky," "The Karate Kid,") with vocals by Roberta Flack, Isaac Hayes, Little Richard and Ashford & Simpson. It's that rare kind of program that will make you want to see it over and over again!