The music video teaser for "Pinocchio (Danger)" was released on April 14, 2011 and the full music video was released on April 19, 2011.

F(x) made their first live comeback stage after a year hiatus through KBS’s Music Bank on April 22, 2011. The song "Gangsta Boy" was chosen to be part of the special comeback. "Pinocchio" won a total of 8 music show awards: 3 on Inkigayo, 3 on M! Countdown and 2 on Music Bank, the first win was on April 29 in Music Bank. The promotions of Pinocchio ended on May 29.