The Beatles legend surprised the 'Happy Days' cast in 1974.

The actor thought incorporating a band into the sitcom could be a way for him to make some additional income.

A 1974 Happy Days episode was named the “greatest” of the series, but it also led to one of the greatest mysteries in TV history. The Happy Days Christmas episode featured a story about lonely ...

At 50, the classic sitcom is the model of a kind of nostalgia that’s as much about what we forget (the bad stuff) as what we remember. (Aaaay!) Credit...Doug Chayka Supported by By James Poniewozik ...

“Happy Days” premiered on Jan. 15, 1974 — and prime-time television was never the same. The ABC series, set in Eisenhower-era Milwaukee, materialized on the heels of the 1950s nostalgia craze ...

"Little House on the Prairie," starring Michael Landon, Melissa Sue Anderson and Melissa Gilbert, premiered on NBC in March 1974 and aired for nine seasons until 1983. The show followed the Ingalls ...