They come out of nowhere. They're typically bizarre. They more often than not include cats. And every year, we gather around them like the first campfire that ever was.

We're talking, of course, about viral videos.

Really, they're hard not to love. They're quick bursts of audiovisual joy that brighten our days just when we need them to. In essence, they are magic — internet magic.

So, without further ado, here are the Best Viral Videos of 2011.