Jackie Robinson broke baseball’s color line in 1947, but it took another generation of Black and Latino players to make the sport truly open to all. Playing in remote minor-league towns, these were the men who, before they could live their big-league dreams, first had to beat Jim Crow.

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.

Ever since the Astrodome's grand opening night on April 9, 1965, when the Astros hosted the legendary Mickey Mantle and the New York Yankees in an exhibition game, baseball under glass has produced exciting times and great memories. The Astrodome revolutionized baseball and the game hasn't been the same since. Take a fun look back at the early years. Relive the excitement of the 1980 and '86 playoff series, then review the 1989 season as the Astros' young guns came of age, ready for the 1990s. All of these moments and more are captured in this video tribute to the Astros and their 25 years in the "Eight Wonder of the World." Written and produced by Houston sports journalist and Astros broadcaster Bruce Gietzen.