Watch Pyotr Tchaikovsky Ballet 'The Nutcracker' 2012 at the Mariinsky Theatre in St. Petersburg (2012) : Full Movie Online Free During a Christmas Eve party and a young girl, Clara, being given a nutcracker doll by her godfather, Drosselmeyer. Later in the evening when Clara sleeps, she finds herself in the midst of the Nutcracker’s battle against the Mouse King and his army of mice. Coming to Clara’s aid, the Nutcracker is transformed into a Prince and journeys with her to an enchanted island where spectacular celebrations are held in their honor. Pre-recorded at the Mariinsky Theatre in St. Petersburg in December 2011, Wassili Vainonen’s version of the beloved holiday ballet is for the first time in 3-D in select theaters.