2001: The Last Telecast of '3rd Rock from the Sun'
NBC's 3rd Rock from the Sun, which ended its run on this day in 2001, followed a quartet of aliens secretly living on Earth to observe human behavior.
The series starred John Lithgow as Dick Solomon, the extraterrestrials' commander, who obtains a position as a physics professor. French Stewart, Kristen Johnston and Joseph Gordon-Levitt portrayed his fellow beings, Harry, Sally and Tommy. Jane Curtin was Dick's college colleague and occasional girlfriend.
The series ran six seasons.