March 23 – The longest running daytime game show to date — NBC's Concentration — airs its 3,796th and final show, after a run of fourteen years and seven months. The record will be eclipsed in 1987 by The Price is Right; today, Concentration ranks fourth in continual longevity among all daytime/syndicated game shows.
May 17 – U.S. daytime television is interrupted by the Watergate hearings, which would continue until August 7. Each network airs coverage in rotation every third day (ABC is first, then CBS and NBC).
July 2 – U.S. game showMatch Game debuts its 1970s version; it soon becomes the #1-rated daytime television program for 1973, 1974, and 1975, as well as #1 game show from 1973–77.
August 6 – James Beck, who stars as Private Joe Walker in the popular U.K. sitcom Dad's Army, dies of a burst pancreas at the age of just 44. Although the series continues until 1977, the part of Walker is not recast and the show carries on without him.
August 11 – Programme One airs the first part of the Soviet television miniseries Seventeen Moments of Spring, which would run until the 24th. With an audience of between fifty and eighty million viewers per episode, it becomes the most successful television show of its time in the Soviet Union.
December 12 – Kojak's trademark lollipop makes its debut in the episode "Hot Sunday".
December 19 – After reading a news item that said the federal government had fallen behind in getting bids to supply toilet tissue, Johnny Carson inadvertently triggers an unprecedented three-week panic when he announces, on The Tonight Show, that there is an acute shortage of toilet paper in the U.S.
A pilot for a game show called Shopper's Bazaar is produced for - and quickly rejected by - NBC. The pilot is hosted by a then-little-known songwriter named Chuck Woolery. The concept of solving puzzles and using winnings to purchase prizes is subsequently overhauled and becomes Wheel of Fortune.
Large-screen projection color TVs hit the market.
Organ music is retired on all P&G soap operas, in favor of orchestral music.