That is pretty cute. Attack of the dreaded cave troll kitteh!
Kitties & the vacuum - 11 seconds
There are 5 kittens.
Reported.
We don’t allow kitty porn on the dope.
It’s not a video, but it seems awfully appropriate for the Dope - There, I Unbunched Your Panties. 
David Oreck was wrong. Some things DO get by an Oreck.
This is cute.
The Life of a Cat - 1:39
Also a new Simon’s Cat - 2:48
I’m a stupid cat! (NSFW language)
Yay! New Simon’s Cat! 
I sent that one to my husband a while ago - I thought I posted it here, but I forgot. Scooped because I forget things!
ETA: Holy Christ, it’s a piece of paper!
Is he not updating on Facebook? I always get his updates but did not see that! Thanks!
Joe
I’m not much of a cat person but even I think this is the cutest kitten video.
Not funny but be prepared to say “awwww…”
I love that one. Especially since I imagine the kitten’s having a bad dream and momma comforts him.
That’s cute all right. But right at 0:14, you can see that Mama Kitty has her foot on her other baby’s face!
“Mom always did like ME best!”
Not a video, but a webcomic that seemed very appropriate for this thread.
Be sure to mouse over the reddish button.
Cats in water. Some like it, some don’t, some get tossed in - it’s pretty much all funny, though.
Purrfect place to display this:
The Future of Advertising is…Catvertising!!
Not a video, but chat logs of a man who taught his cat to use instant messaging.
The first two aren’t as clever, but help set up the whole thing.