Finding Satoshi (the OG)

I highly recommend that you watch this documentary about finding one person in a billion.

https://www3.nhk.or.jp/nhkworld/en/ondemand/video/3016112/

It’s really well done, almost lovingly crafted, telling of the story of the last (solvable) card of Perplex City to be solved. It’s only 50 minutes as well, so pretty briskly paced.