In 1972 WGBH took a gamble and acquired the Boston rights to the Canada/USSR games in Moscow and between periods banged the drum for money. They broke every fundraising record in station history.
The game was also on local radio but also on delay because of a Red Sox game.
I wanted to make sure I did NOT know the score so I cut myself off from the outside world but figured it was safe to watch Walter Cronkite. The CBS Evening News led with crowd shots of thousands of people on Younge St waving flags.
The series in Russia was the first time I ever saw ads on the boards and it turned out an ad agency in Sweden fleeced the Russians good.