"iScream on Halloween" is a Halloween-themed episode of the live-action comedy series iCarly. It first aired in the United States on Nickelodeon on October 20, 2007. It was the first Halloween episode for the show, premiering as the seventh episode during Season 1.
Carly, Sam and Freddie do their Halloween webcast from an apartment that is rumored to be haunted. When creepy things start happening, the friends worry that the ghost rumors just might be true. Carly's strangely secretive neighbor, Mrs. Halberstadt, adds to their anxiety. Meanwhile, when Spencer forgets to buy candy, he has a bunch of angry trick-or-treaters on his hands.