Harry gets sick with a little crush on Carly. And Sam introduces the butter sock to the gang
1D goes to ICarly to sing WMYB and harry gets sick and the whole thing is revolved around trying to get him better
One Direction was a guest star at the Nickelodeon TV Show iCarly. The episode is : iCarly - iGo One Direction
One Direction performs in one of the episode of icarly
www.nick.com and go to the icarly stuff then click episodes then go to full episodes then look for igo one direction
ICarly
Last year.
iCarly on nickelodeon
Zayn
it already came out.
They made an apepearance on iCarly in the episode iGo One Direction.
iGo One Direction
Yes, they have already recorded it and its called 'IGot Jungle Worms'. It will be aired on the 13th April