The BEST episodes written by Larry Niven
#1 - Downstream
Land of the Lost - Season 1 - Episode 4
The Marshalls attempt to escape the Land of the Lost by river and wind up trapped in a cave with a daffy Confederate miner.
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#2 - Inconstant Moon
The Outer Limits (1995) - Season 2 - Episode 12
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.
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#3 - The Slaver Weapon
Star Trek: The Animated Series - Season 1 - Episode 14
Spock, Sulu, and Uhura are delivering a stasis box from the extinct Slaver race on the shuttlecraft Copernicus. When they detect another box and follow its signal, they soon discover that a Kzinti privateer has set a trap. Capturing the Enterprise crew, they discover their box holds a rare find, a shape-shifting Slaver weapon. Now Spock and the others must keep the Kzinti from returning to their government with the weapon.
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