Nickelodeon is continuing to build out the world of “Avatar: The Last Airbender” with the greenlight of the animated series “Avatar: Seven Havens.” The new 2D animated series will consist ...

A prequel about how the Jelly Cabin trio met. When Lazlo disappears after meeting a bear, the camp assumes he has been mauled, while Clam and Raj refuse to accept that explanation. The story is ...