He spotted two reels lying horizontally in gray canisters labeled "1960 World Series." They were stacked close to the ceiling with home movies and sports instructional films. An hour or so later, he found three others on other shelves. Intrigued, he screened the 16-millimeter film on a projector. It was Game 7, called by the Yankees’ Mel Allen and the Pirates’ Bob Prince — the complete NBC broadcast. The film had not degraded and has been transferred to DVD. Bader’s call to M.L.B. officials last spring initiated months of talks that have led to an agreement allowing the MLB Network to televise the game in December, and to wrap interviews and other programming around it, with Bob Costas as the host. M.L.B. also plans to sell DVDs of the game.