Jimmy Fallon & Tina Fey Guest on 'iCarly'

It's an all out lovefest on Nickelodeon's iCarly as Jimmy Fallon guest stars on the show's brand-new, hour-long special.

VIDEO: Michelle Obama Busts a Move on iCarly

In the episode, premiering October 6 at 8 p.m. ET/PT, Carly (played by Miranda Cosgrove) and her pals get invited to appear on Late Night with Jimmy Fallon after mentioning him on their web series.

Click the video for your sneak peek of the special, titled iShock America, which includes a cameo by Tina Fey!