It’s Friday, and you know what that means — time for our weekly dose of cat videos culled from YouTube. Today we have a cat descending a staircase, an amazing back-flip jumper, a Siamese sneak attack, a massage given to a dog, and a kitty and puppy at play. For these and other videos, please check out the DogTimeTV channel.

Cats are known for getting clingy to get their things done, from trying to play to having their meal. There…