Aang and Katara work to maintain peace between the Fire Lord Zuko and Earth King Kuei, while Sokka helps Toph prepare her metalbending school to defend itself against a rival class of firebenders.

In order to stop Professor One-Zero from inflicting his poisonous potion, Green Pop, on the world, the Coders head through a portal into another dimension to find a Turtle of Light to defeat him.

Avatar Aang asks his friends to help him honor Yangchen's Festival - one of the highest Air Nomad holidays, which hasn't been celebrated in over one hundred years. But cryptic visits from the spirit of Avatar Yangchen herself lead Aang to discover a jointly owned Fire Nation and Earth Kingdom refinery - operating on land sacred to the Airbenders! Is this simply a case of corporate greed or is something more mysterious happening?

With the help of his friends and his sister Azula, Prince Zuko goes on a quest to find out what happened to his missing mother.

"Val is ready to give up on love. It's led to nothing but secrets and heartbreak, and she's pretty sure she's cursed--no one in her family, for generations, has ever had any luck with love. But then a chance encounter with a pair of cute lion dancers sparks something in Val. Is it real love? Could this be her chance to break the family curse? Or is she destined to live with a broken heart forever?"--