A bonanza for the football fan who ever wondered, "what if," this special set includes four football dynasties against each other to see which team was truly the greatest. Includes computer effects and archival footage of the 60s Green Bay Packers, the 70s Pittsburgh Steelers, the 80s San Francisco 49ers, and the 90s Dallas Cowboys. Presented by Joe Thiesmann and Mike Patrick with a special appearance by Howard Cosell.