well i've been watching these guys since they first released their first video over a year ago.

they've released over 37 videos and also release bloopers and extras.

you could also find them on youtube

http://www.youtube.com/user/smosh

and you can find other videos of random stuff they do on their other account on youtube

http://www.youtube.com/profile?user=IanH

they have been interviewed on tv quite abit for their popularity

here is one news session about them

http://www.youtube.com/watch?v=ZN7cyJFzB-M