Gus and Michael watch Geoff learn what it means to be Batman and find out all of the struggles that come with that great power.
Let's watch? This is a thing now? We're watching other people watching people play video games? Ok....
No, the idea is because it's obviously only a singleplayer game, most of the people talking won't be playing, but one of them is. They just call it that to differentiate it from their normal Let's Plays in which all involved commentators are playing in some form. It's not unlike how other groups of LPers, such as Game Grumps, do single player games.
N4G is a community of gamers posting and discussing the latest game news. It’s part of NewsBoiler, a network of social news sites covering today’s pop culture.