Now playing

The San Francisco 49ers Team of the '80s

Few had heard of Bill Walsh when he was hired as head coach of the San Francisco 49ers in 1979. Within three seasons, he created a world champion -- within six, he had created a dynasty. In this program, NFL Films goes inside the 49ers dynasty, detailing the system, the players, and the mindset that created the powerhouse 49ers teams of the 1980s.