The Manhattan Project
2012 TV series episode
Season Code:
Episode: 39–40
Original airdate March 14, 2014
Written by Brandon Auman (Part 1)
John Shirley (Part 2)
Episode chronology
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"The Manhattan Project", or "Wormquake!" in promotional advertising, is a double episode of the 2012 TV series. It consists of two parts, The Manhattan Project, Part 1 and The Manhattan Project, Part 2. It originally aired over Nickelodeon on March 14th, 2014.[1]


Shredder returns to New York City from Japan with a new henchman, Tiger Claw.

Meanwhile, the Turtles attempt to uncover a Kraang plot involving the Kraathatrogon worm species to generate Earthquake-like vibrations on Manhattan.

When Tiger Claw and Karai capture Splinter, Leonardo, Michelangelo and Raphael head out to save him, while Donatello discovers a way to slow down the Kraathatgrogon worms with salt, and close down the vortex that brought them to Earth.


  1. Teenage Mutant Ninja Turtles (English). Futon Critic (14 March 2014). Retrieved on February 1, 2020.
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