MTV Networks and Apple have announced that television programming from MTV, MTV2, COMEDY CENTRAL, Nickelodeon and The N is now available for purchase and download on the iTunes Music Store. The new content features shows such as “Punk’d,” “South Park,” “Dora the Explorer,” “SpongeBob SquarePants” and “Laguna Beach.” Nickelodeon’s “Dora” is the first preschool program available on iTunes. iTunes now offers over 40 TV shows for US$1.99 per episode for viewing on a computer or iPod.