Sitting close to the TV will not damage your eyesight. The myth spread after it was discovered that tv’s made prior to 1967 emitted excessive radiation.
The USSR had a televised song contest. Since few people had phones, viewers would turn their house lights ON if they liked a certain song (OFF if they didn’t). The state energy company recorded the size of each power spike and reported the results to the station to determine points for each contestant.
Dogs have only recently been able to watch TV, with the advent of HDTV with their higher framerates. Before that, with CRT’s, it was like watching a strobe light.
Early Zenith TV remotes changed channels by sound. When you push the button, a small hammer strikes an aluminum rod, triggering a sound above our hearing range that’s picked up by the TV.
In the 1950’s, TV shows were not allowed to use the word “pregnant” as it was considered indecent.
In the US, the “we’ll be back after these messages” often seen during kid shows of the ’70s, ’80s, and ’90s were mandated by the FCC to help children differentiate between the TV show and commercials.
“Channel drift” is a term used to describe when a TV channel loses it’s original purpose. (The Learning Channel showing Here Comes Honey Boo Boo)
On September 11, 1987, Dan Rather, upset at the evening news being delayed by a U.S. Open tennis match, walked off the set and when the match was over CBS was left with nothing but dead air for six minutes.
Norwegian Public Television station NRK is famous for airing utterly boring programming, such as a 12-hour live log-burning show and a 5-hour knitting special. The programming, known as “Slow TV”, reportedly achieves decent ratings.