What happened when The Horne Section, Nadia Kamil and Jason Cook joined The Now Show 2012 - Live!
Check out behind-the-scenes snaps of the guests and regulars from episode four.
Nadia, Jon and Steve
Guest performer Nadia Kamil goes through her stand-up spot with Jon Holmes and Steve Punt.
Joe Stilgoe of The Horne Section gets reacquainted with his keys.
Joe Auckland and Joe Stilgoe of the Horne Section belt out their new 'national anthem'.
Margaret, Alex and Nadia
Guest stars Margaret Cabourn-Smith, Alex Horne and Nadia Kamil await their turn onstage.
Alex gets ready to sing.
Steve plays Sam
Steve performs his soon-to-be-legendary impression of Samuel L Jackson's Twitter feed.
Guest stand-up Jason Cook explains how Britain has been 'lifted' by London 2012.
The Horne Section transform into a dapper bunch for the live show.
The Horne pyramid
The Horne Section make like cheerleaders and form their own musical pyramid...