NFL Films footage was used to create what appeared to be a "game" between the two teams.
The 1978 Steelers beat the 1972 Dolphins to win the title.
The following year, ESPN did a one-off show with the 1989 Super Bowl Champion 49ers against the '78 Steelers.
In 1999, ESPN would run a similar mini-series, having overall "decade" teams of the 60s Packers, 70s Steelers, 80s 49ers, and 90s Cowboys playing each other.
This article relating to a non-fiction television series in the United States is a stub.