KSDK – Well, here they go again.

You probably don't know much about OK Go's music, but chances are, you've seen at least at least one of their music videos.

The power pop band burst onto the scene in 2006 with their viral (before viral was really a thing) treadmill dancing music video for "Here It Goes Again."

And here they are, eight years later, doing it again (again), with "The Writing's on the Wall," which is filled with the sort of optical illusions capable of blowing even the most jaded of minds.

Watch it below:

Watch more of their crazy music videos here: