March 24 – Live TV pictures from the US unmanned moon probe Ranger 9 are transmitted prior to its impact.
April 5 - TEN10 opens in Sydney, Australia, with the highlight of the opening night being the variety special TV Spells Magic.
April 15 – Paul Bryan (Ben Gazzara) gets bad news from his doctor and sets out to do all the things he never had time for, in the Kraft Suspense Theatre episode entitled "Rapture at Two-Forty." This will serve as the pilot for the series Run for Your Life, which will premiere on September 13 and run until 1968.
June 4 - The launch of the Gemini 4 space mission is broadcast in color by NBC. All three networks would carry the launch of Gemini 5 in color that August and all subsequent manned space launches.
June 18 – The original scheduled launch date of the "station that never was", WDV-11 in Warrnambool, Victoria, Australia. The city government had decreed in November 1963 that television could never be introduced in Warrnambool.
August 1 – Cigarette adverts are banned from UK television, though pipe tobacco and cigar adverts continue until 1992.
August 6 - BBC withdraws a planned airing of The War Game on BBC1's Wednesday Play anthology series; the network, officially, deems the film's depiction of a fictional nuclear attack on the United Kingdom and its aftermath as "too horrifying" to air on television, though it was widely believed that government pressure led to the banning. The film would win the 1966 Academy Award for Documentary Feature, and BBC would not screen the film on-air until 1985.
September 12 – The Beatles appear on The Ed Sullivan Show, for the fourth & final time, performing songs from their new album Help!. This appearance was videotaped on August 14 before the group launched their U.S. tour the following night at Shea Stadium (Sunday, August 15, 1965).