|Casey Jones VS. The Underworld|
|Season 3, Episode 14|
|Air Date||March 22nd, 2015|
|Battle for New York Part Two||The Noxious Avenger|
Casey Jones VS. The Underworld is the fourteenth episode of Season Three of the Teenage Mutant Ninja Turtles (2012 TV Series). This episode was directed by TBA and written by TBA. This episode was aired in March 22nd, 2015.
Casey Jones thinks he can take on the criminal underworld on his own, but soon discovers that he is in over his head when he comes face to face with the new leader of the Purple Dragons, and Shredder.
|The Gallery of Casey Jones VS. The Underworld can be see Here.|
- The Purple Dragons return in this episode.
- A new character will debut, Hun.
- Hun will be the new leader of the Purple Dragons.
- Casey Jones will fight Hun and the Purple Dragons.
- In New York Comic Con 2014, they released a preview of this episode, in where Casey Jones fights the Purple Dragons and Hun at a bank.
- Shredder wants to take control of the Italian Mob.
- This episode debuts Auman Chemicals.
- Auman Chemicals is named after Brandon Auman, who is one of the producers of the series.
- The Turtles and Splinter return to the Lair.
- Since the Kraang Invasion took 3 months, all the food got spoiled.
- Donatello found out that Shredder is creating a Mind Control Serum, which will be used in Clash of the Mutanimals.
- New York City is working on shaping up after the events of Battle for New York.
- Serpent Karai is seen imprisoned in Baxter Fly's Lab, so that Baxter Fly can create a cure for her.