The transistor was invented in 1947 at Bell Telephone Laboratories by a team led by physicists John Bardeen, Walter Brattain, and William Shockley. Modern Marvels takes on the invention of the transistor. watch
Season 2, Episode 22: Al (Dean Stockwell) attempts to adjust his past through Sam (Scott Bakula), who has become an undercover cop in 1969. watch
