I Am Your Father
Documentary about David Prowse, the actor who played Darth Vader, revolving around how the ****tiness of how a different actor was used in Vader's death scene in ROTJ.
Very nice documentary, makes me really want to meet Mr. Prowse.
The lone disappointment:
Man vs. Snake: The Long and Twisted Tale of Nibbler.
Documentary about the first person to ever score a billion points on a video game, the arcade game Nibbler. He did it when he was 16 and now, 25 years later, is trying to re-set the record to prove that he's still the best.
Typical video game record documentary, but enjoyable if you like this sort of thing.
Both films on Netflix.