As anyone who's ever tangled with an RF switcher knows, hooking up consoles in the old days was more plug and less play.
Helpfully the gang at Shamoozal have put together this step-by-step look at rigging up your Nintendo Entertainment System. It's done in the style of the old Disney explainers with Goofy as the hapless, frustrated and frequently maimed subject. And it's funny because, while caricatured to the extreme, we've all done everything depicted in it. Well, maybe not the shoe thing.
How to Hook Up the NES [Shamoozal, thanks Nate D.]