Short answers, pulled from the story.
The first televised professional football game aired on the 22nd of October 1939. This broadcast took place on W2XBS, which is now known as WNBC, and featured the Philadelphia Eagles playing against the Brooklyn Dodgers.
The network cut away to air the movie Heidi immediately after Jim Turner kicked what appeared to be the winning field goal with 1:05 remaining in the game. The Raiders scored two touchdowns in eight seconds to win 43, 32, leading to the creation of the Heidi Phone to prevent future scheduling errors.
Don Ohlmeyer served as executive producer for the contest between the New York Jets and Miami Dolphins that aired without play-by-play or color commentary. Viewers heard only stadium sounds while Bryant Gumbel provided scores and updates during commercial breaks.
Super Bowl V reached an estimated 23,980,000 homes when it aired in 1971. It remained the largest household audience ever for a one-day sports event at that time before being surpassed by later broadcasts.
NBC lost its consecutive 33-year run as a football broadcaster following Super Bowl XXXII on the 25th of January 1998. CBS agreed to pay $4 billion over eight years to take over the rights starting with the 1998 season.