Watch: A Cat Makes A Window Cleaner’s Day… And Vice Versa.

Cats seem to have one function in this world: to provide entertainment for their owners, and all other humans for that matter.

Of course, the felines themselves are having a lot of fun while entertaining us… Like this one. Naturally, viewers have loved the video and speaking for many, one of them comments:

If I were that guy I would just keep washing that window over and over again…

10. Grass shark!

Following are our most viral videos for the past month — have fun!