One Direction has accepted an invitation to perform on iCarly. Band member Harry becomes sick and Carly dotes over him. Realizing Harry is playing sick for the attention, they hatch a plan to get him back in the group by telling him Gibby has become their newest band member. Meanwhile, Spencer becomes a personal trainer and gives a bratty girl a makeover.
Quest roles:
Boogie(T-Bo), Kristi Clainos(Justine), Chloe Csengery(Bethany), Harry Styles(Himself), Louis Tomlinson(Himself), Niall Horan(Himself), Liam Payne(Himself)