Click the play button then click pause. Wait a few seconds for most of the video to load, you will see a gray bar move from left to right. After that bar fills the space (should take less than 5 seconds), press play and enjoy. And troubles please post a comment below.
The Talking Cat
If a voice interrupts the video with a "welcome" message, you can turn it off by scrolling down the page a bit and looking to your right.