The forum search function is pretty handy.
I became aware of these recently and they are really fantastic to watch. They give a great overview of the history of a game and its future influence. The Doom and Quake episodes are about an hour each, with other games having shorter videos.Channel with all the videosWolfenstein 3DDoomQuakeGalaxianLemmingsThere is also A Brief History of Graphics which is also really good. A real nice YouTube channel in general. Check it out.