The kittens start to get active as they learn about play time.br Subscribe to The Pet Collective: Facebook: Twitter: Pinterest: Google+: gplus.tothepetcollectivebr br "Episode 3: The kittens are barely 3 weeks old, but they think they're already grown up. Momma's having some control issues when she tries to keep her babies in line when they get a little rowdy. The first moments of kitten play time begin, and Spaceship quickly starts to assert herself as the dominator of the litter.