8.4/105 votes#1 - Inconstant Moon
Season 2 Episode 12 - Aired 4/12/1996
When a lonely physics professor realizes the sun is going to burn out, he knows that he and humanity have only a few hours to live. In that time, Stan resolves to make up for lost years. He courts and proposes to Leslie, a woman he has known for two years but never dated. Leslie, although puzzled, finds herself more and more entranced by Stan until she finds out the reason for Stan's sudden attention. Based on a short story by famed sci-fi writer Larry Niven, this episode brings its characters face to face with both death and their own visions of life - with surprising results.
Director: Joseph L. Scanlan
Writer: Larry Niven
8.0/101 votes#2 - Downstream
Season 1 Episode 4 - Aired 9/28/1974
The Marshalls attempt to escape the Land of the Lost by river and wind up trapped in a cave with a daffy Confederate miner.
Director: N/A
Writer: Larry Niven
7.3/103 votes#3 - The Slaver Weapon
Season 1 Episode 14 - Aired 12/15/1973
Spock, Sulu, and Uhura discover a time capsule from an ancient and technologically advanced race. However, it draws some unwanted attention.
Director: Hal Sutherland
Writer: Larry Niven
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Larry Niven Ratings Summary
"Inconstant Moon" is the best rated episode written by Larry Niven. It scored 8.4/10 based on 5 votes. It was directed by Joseph L. Scanlan. It aired on 4/12/1996 and is rated 0.4 points higher than their second-best episode, "Downstream".