After martial arts champ Shelby Marx (Victoria Justice) takes Carly's (Miranda Cosgrove) ribbing the wrong way, Carly finds herself forced to go head-to-head with the ferocious female fighter in this installment of the popular Nickelodeon series. Now Sam (Jennette McCurdy), Spencer (Jerry Trainor) and Freddie (Nathan Kress) must help Carly as she prepares for the fight of her life. The program also includes the "iDate a Bad Boy" television special.