Pinocchio is the first full-length album by f(x). It was released on April 20, 2011. The title track "Pinocchio (Danger)" was used as the lead single of the album, and "Gangsta Boy" was also performed during the album promotions.
The track "Lollipop" with SHINee is a Korean version of their Chinese release of the same name with Chinese boyband M.I.C. for a LG commercial.