iScream on Halloween is the seventh episode of the first season of iCarly. It is also the first seasonial episode of the series.
Carly, Sam, and Freddie shoot their Halloween web cast from an apartment that is rumored to be haunted. When creepy things start happening, the friend worry that the ghost rumors just might be true. Meanwhile Spencer, forgets to buy Halloween candy, and he ends up giving children odd and random objects, which leads them to the point of rolling him down the ocean with him inside a giant pumpkin that he carved. During the show, Sam shows viewers how to pull Halloween pranks using masks.
- The terrifying clown head is a parody of the film Killer Klowns From Outer Space.
- The horror and recording onto video camera scenes are parodies of the film The Blair Witch Project.
- Lewbert playing a prank on the iCarly trio is the reverse of Messin' with Lewbert where the iCarly play pranks on Lewbert!
- The Wrestling belt the girl has is the old WWE Championship.
- The episode actually aired 11 days before Halloween.
- The episode rarely airs as it is a Halloween special.