I don't even have cable, so idk how common it is to see it on TV. But streaming sites like Hulu or Youtube (company-uploaded anime, I mean) have quite a bit. But that's only if you're in the US or another country that has legal streams.
Otherwise you're stuck with the not-so-legal uploads on Youtube or torrents. :p
Actually, now that I think about it, maybe I did skip a class in college once... XD; Then again I tended to skip certain classes, so even if I felt just a little sick, I'd be like "oh, not going in".