A movie that kitten desperately wants to go out and crashes into glass

A desperate kittens trying to go outside for somehow is a movie that has crashed many times over the wall of the glass rather than the opening door. At the end I can get out properly, but I want to help you on the way.

The playback of the movie is from the following.
KITTEN - SUICIDE Video


Human beings are also deceived by glass wallsBecause there is a thing, it is unavoidable for a cat to make a mistake. But this kittens are pretty strong and are crashing, but are they all right?