One Direction performed "What Makes You Beautiful" on iCarly. It was all a lie by Styles, though, and the gang tricked him into admitting by making him think Gibby would join the band as a sixth ...

I chose this one because Gibby’s brother, Guppy, had minimal appearances on the show but was vital to saving the iCarly gang in a special I unforgivably didn’t watch. Guppy is like a fish, which — ...