There were six hundred and thirty-five episodes of “Gunsmoke” (CBS, 1955-75).
409 of them in black and white, 226 in color.
The show was the longest-running weekly prime-time series with continuing characters.
Television’s first teen star was Don Hastings, the teenager who played the Video Ranger, sidekick of “Captain Video” (DuMont, 1949-55).
John Ratzenberger (Cliff Clavin) of “Cheers” (NBC, 1982) was a staff person at NASA Mission Control in Houston in Superman II (1980).
Mie Nemoto and Kei Masuda were the popular Japanese musical team Pink Lady, whose American variety show “Pink Lady and Jeff” lasted only one year (1980) on NBC. Jeff Altman was their American sidekick.
Mr. Magoo’s full name was Quincy Magoo. His voice in the 1964-65 comedy series, “The Famous Adventures of Mr. Magoo” (NBC), was provided by Jim Backus.
Yvonne Craig played Batgirl on the TV series “Batman” (ABC, 1966-68). She appeared only in the second and final season. Batgirl’s real identity was Barbara Gordon, Police Commissioner Gordon’s daughter.
The Alka-Seltzer mascot’s name was Speedy, a puppet, who has been around since 1953.