Go to : Nick.com and they have free episodes for icarly, but only allowed in USA.
Were Can I Watch All The Icarly Episodes For Free?
You can watch all Icarly episodes online free at this reference site. Here you can watch Icarly season 4 all episodes online free.
Turbo nick just go to turbo nick www.turbonick.com then in the search thing on the side just put in the video you'd like to watch and you can watch a preview or the full episode.
Megavideo.com
I think you can on mega upload and if you type in icarly episodes full episodes 2009 on YouTube then you get a couple.