Unfortunately, the complete, official "How It's Made" video of Tesla Model S production is behind a pay wall, but at least there's this "Part Two" video of the episode featuring the Model S.
And no, a "Part One" doesn't exist. At least not one that we could find.
Here's the video description:
"Picture your dream car: it probably looks like a Tesla Model S. Have you ever wondered just how that machine was made? Join the How It's Made crew as we go to its birthplace, revealing the inner workings and gorgeous exterior."