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11. While it was never stated on the show, Spencer became Carly's legal guardian when she was 12 years old. And their father made his only appearance in the series finale, with David Chisum playing Colonel Steven Shay.
12. McCurdy revealed what was actually in Sam's infamous "butter sock" during a 2015 interview with the Huffington Post. "Although I am tentative to crush any person's childhood dreams, it was not filled with butter. It was batteries to give it some weight, with Styrofoam around them, wrapped with duct tape," she revealed. "I feel like Nathan [Kress] was probably the receiver of a few accidental butter-sock whacks."
13. After iCarly ended in 2012, Nickelodeon ordered a spinoff centering on fan-favorite side character Gibby (Noah Munck). The sitcom would follow the oft-shirtless character after he gets a gig at a recreational center where he winds up as a mentor to four offbeat middle-school students. While the pilot was filmed, Nickelodeon didn't order Gibby to series.