Jennette McCurdy holds back Danielle Morrow in this new still from iCarly.

In tonight’s special movie “iPsycho,” Carly, Sam and Freddie (Miranda Cosgrove, McCurdy, Nathan Kress) decide to make a slight detour on their way to a web conference to visit a fan of the show on her sixteenth birthday. When they arrive, they discover that their super fan Nora (Morrow) is lonely and awkward, and no one has shown up for her birthday party.

To make Nora feel better, Carly suggests they do a special iCarly webcast and invite Nora’s classmates to her house. The plan works, and the party is a huge hit. So much so, that Nora decides she doesn’t want her new friends to leave and locks them in her father’s recording studio.

Despite their best efforts, Carly, Sam and Freddie are unable to break out of Nora’s basement, so they trick her into sending a secret message to Gibby (Noah Munck). Can Gibby decode the message and save the day?

“iPsycho” premieres TONIGHT @ 8PM ET/PT on Nickelodeon!