* Individual episodes: Each episode of iCarly is approximately 22 minutes long without commercials. This is the standard length for most sitcoms.
* Seasons: Each season of iCarly has a varying number of episodes, ranging from 20-26 episodes per season.
* The entire series: The entire iCarly series ran for 6 seasons and 97 episodes in total.
So, depending on what you want to know, the "show" is either 22 minutes, a few hours per season, or almost 22 hours long in total.