
Nickelodeon, now in its 38th year, is the number-one entertainment brand for kids. It has built a diverse, global business by putting kids first in everything it does. The company includes television programming and production in the United States and around the world, plus consumer products, digital, recreation, books and feature films. Nickelodeon’s U.S. television network is seen in more than 90 million households and has been the number-one-rated kids’ basic cable network for 22 consecutive years.

Harry Potter's third year at Hogwarts starts off badly when he learns deranged killer Sirius Black has escaped from Azkaban prison and is bent on murdering the teenage wizard. While Hermione's cat torments Ron's sickly rat, causing a rift among the trio, a swarm of nasty Dementors is sent to protect the school from Black. A mysterious new teacher helps Harry learn to defend himself, but what is his secret tie to Sirius Black?

During Harry's fourth year at Hogwarts a competition will be held between three schools of wizardry, and contestants will be magically chosen for the very dangerous event.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.

The guys try to bond with Penny's new boyfriend through a costume contest.

Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.

Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.

Chandler jeopardizes Joey's chances for the lead role in a TV series when he forgets to take down a message.