Screen Rant on MSN

One Star Trek: The Original Series episode shouldn't be considered canon

There are a lot of great Star Trek: The Original Series episodes, but there's a specific one that's a weird entry in the show ...
IGN

Star Trek: Assignment Earth

The 1968 TV episode "Assignment Earth" had been the Season Two finale for the original Star Trek series, and was intended by Gene Roddenberry as the pilot for a spin-off series that never came to pass ...