Phineas and Ferb. Any of them. Except the movie which disney appear to have taken exception to posters putting on YT and have got lawyers to blitz anyone offering anything more than a trailer.
What YouTube video are you watching? Page 135
http://www.youtube.com/watch?v=G07sWzYObnk
muhahaha!!
I expect this has been shown before - the Origin of Irish Dancing.
http://videos2view.net/irish-dance.htm
Quite funny although goes over the joke too much.
Just finished Watching the Music video of "Don't Cry" by Guns N Roses on YouTube..!! http://www.youtube.com/watch?v=zRIbf6JqkNc&ob=av2e
Probably my favourite sketch of all time: http://www.youtube.com/watch?v=KclC9DKNaZE&featured=related
Someone sent me e-mail with link to a Billy Joel video on YouTube, any one else had it? Apparently done by chinese American for fun/funds?
It has lyrics and photo montage of song 'We did'nt start the fire' was quite informative.
A truly underrated performer, should be main stream by now? Especially after Hagan Dass used him in their add.
Quote: Nil Putters @ August 24 2011, 5:09 PM BSThttp://www.youtube.com/watch?v=oiMZa8flyYY&feature=player_embedded
Hahaha! 
One of my favourite prank calls. Vietnamese guy pranks chinese restaurant. LOL!!!
The "Bahnhof Rumble" scene from the film "Hanna"
Man, there's some crazy shit on YouTube! Remember the group TLC? This is footage of now-deceased band-member Lisa Lopes's last seconds of life: http://www.youtube.com/watch?v=URapBELZ658
She'd probably still be alive if she'd put her seat-belt on.
The best videos of all time:
GUY RUNS INTO WALL: http://www.youtube.com/watch?v=ofV_iFBw2YE
RETARDED RUNNING HORSE: http://www.youtube.com/watch?v=dyMXYE_50Ts
I LIKE DOGS: http://www.youtube.com/watch?v=_gxYkDPqDQk
HORSE BALLS: http://www.youtube.com/watch?v=G-4JMHo6WUM