Twilight Episode 1 -

As Mike’s isolation turns into panic, he begins to crack under the pressure of being the last person on Earth.

Much of the episode was filmed on the Universal Studios backlot, using the famous Courthouse Square set later seen in Back to the Future . Twilight Episode 1

"Up there... is an enemy known as isolation. It sits there in the stars waiting... with the patience of eons... in the Twilight Zone." As Mike’s isolation turns into panic, he begins

14 Great Twilight Zone “Message” episodes | The Schadendude As Mike’s isolation turns into panic

The episode is famous for introducing the original "sixth dimension" narration, which differs slightly from the more famous versions used in later seasons.