'The Twilight Zone'
Not only is "The Twilight Zone" one of the greatest sci-fi shows ever, it's one of the best shows of all time. Rod Serling hosted the show from 1959 to 1964. Each week, he featured a usually creepy, sometime witty, show that ranged from alien invaders to time travel.
Pictured: James Daly as Gart Williams from the "The Twilight Zone" episode "This is Willoughby."