Even the most knowledgeable of NFL fans have trouble explaining the way the league handles their broadcasting rules. You can show this game until this point, but not against a team playing at home, but not when a full moon is in the southern sky.
Usually the NFL only now cuts off the ending of a game when another game is coming on (even if it is on another channel). Forty years ago today, NBC decided to cut from switched off a Jets-Raiders AFL game to show the movie Heidi. The Raiders, who were trailing by three with 1:05 left in the game, scored 14 points and won the game. Everyone outside the Pacific Time Zone missed the comeback.
Several things came from this game.