Ed, Edd, n Eddy's Ed-ventures of Teenage Mutant Ninja Turtles: Out of the Shadows is an upcoming Cartoon Network/Paramount crossover made by Hiatt Grey. And is the sequel to Ed, Edd, n Eddy's Ed-ventures of Teenage Mutant Ninja Turtles.
One year after their battle with Shredder, the Teenage Mutant Ninja Turtles, Leonardo, Donatello, Raphael, and Michelangelo, still live beneath the sewers, having allowed Vern Fenwick to take the credit for Shredder's defeat. April O'Neil discovers that a scientist named Baxter Stockman is working for Shredder and that he plans to help Shredder escape from prison. April informs the turtles about this. As Shredder is transferred between prisons with two criminals alongside him, Bebop and Rocksteady, by corrections officer Casey Jones, the Foot Clan attack the convoy transporting him. Despite the turtles interference, Shredder escapes when Stockman uses a teleportation device. But Shredder is hijacked mid-teleport and winds up in another dimension. There, he meets the alien warlord Krang, who tells him about his plans to invade Earth and gives him a purple mutagenic compound in exchange for his promise to find three components of a machine that Krang sent to Earth long ago which will open a portal to his dimension when united, and he knows that Shredder and Stockman have the first piece. At the NYPD, Casey tells the chief what happened to Shredder, but the chief doesn't believe him. He decides to go out on his own.
Shredder returns to New York City and recruits Bebop and Rocksteady, who also escaped, and has Stockman use Krang's purple mutagen to transform them into powerful animal mutants—a humanoid warthog and rhinoceros. April witnesses their transformation and is able to steal the vial of purple mutagen. Pursued by the Foot, she is rescued by Casey, who uses hockey gear. In the ensuing battle, the vial of purple mutagen is taken into police custody. April then introduces Casey to the turtles, and Raphael and Michelangelo make fun of him and pull pranks on him. In the lair, Donatello deduces that the mutagen could be used to turn the turtles into humans, enabling them to live normal lives above ground, but Leonardo refuses and insists on keeping it a secret from the others. However, Michelangelo overhears their conversation and tells Raphael, which enrages Raphael and leading to a fierce argument between the brothers. Leonardo benches Raphael and takes Michelangelo off the mission. In the National Museum in New York, Shredder, Bebop, and Rocksteady are able to find the second piece and steal it, before Leonardo and Donatello arrive. Still furious, Raphael recruits Michelangelo, April, Casey, and Vern to break into the NYPD police headquarters and retrieve the mutagen. Vern distracts the police, while April and Casey retrieve the mutagen, but the Foot arrive ahead of them. In the ensuing battle, the turtles existence is revealed to the police, who react with fear and hatred. April and Casey intervene and help the brothers escape, but April and Casey are arrested. The police also see on TCRI's cameras that April stole the mutagen, however Stockman edits the tape so that Bebop and Rocksteady's mutations aren't seen.
With Shredder's forces having already recovered two pieces of the device, the turtles track Bebop and Rocksteady as they recover the final piece in the rainforests of Manaus, Brazil. The turtles confront Bebop and Rocksteady in their jet, and in the ensuing battle, the jet is destroyed when Rocksteady fires a machine gun mounted on a tank in the jet's cargo hold. After the Turtles battle with Bebop in the river for control of the piece, Rocksteady emerges in a tank and helps Bebop to escape with the piece. The turtles returns to New York as a Shredder and Stockman complete the portal device and open the gateway to Krang's dimension through which his modular war machine, the Technodrome begins to emerge. Shredder betrays Stockman and his men to take him away to their headquarters in Tokyo, but entering the Technodrome, Krang immediately betrays Shredder, freezing him and locking away with his collection of other defeated foes.
Seeing no way to reach the Technodrome as the police pursuing them, the turtles debate over to taking the mutagen in order to become the humans and fight openly. Though Leonardo agrees to do it, Raphael shatters the vial, realizing they must accept who they are. Upon April's request, Vern recovers the security footage from a TCRI that proves Stockman's and Shredder's complicity to secure April and Casey's release, allowing them to set up a meeting between the turtles and a police chief Rebecca Vincent where they convince her that they are not enemies and they were the ones who took down the Shredder in the first place. With the help of the police, the turtles are able to confront Krang aboard the still-assembling Technodrome. Although Krang is able to overpower all 4 turtles easily, the Turtles manage to defeat him when Donatello short circuits Krang's robotics body. Meanwhile, Casey keeps Bebop and Rocksteady busy and defeats them by locking them in a crate full of grenades, while April and Vern defeat Shredder's lieutenant Karai and take control of the portal device. The turtles are able to hurl the beacon back through the portal, taking Krang and the rest of the Technodrome with it when the April, Casey, and Vern shut the portal down. As he disappears, Krang swears that he will return for revenge.
In the aftermath, Bebop and Rocksteady are taken back into custody, while Stockman remains at large. At night, the Turtles are honored by Vincent and the NYPD along with April, Casey, and Vern. The turtles are given golden keys to the city and an opportunity to be introduced to the people and accept them, but the turtles elect to keep their existence a secret from the public, but they will always help when they want. On top of the Statue of Liberty, the Teenage Mutant Ninja Turtles celebrate their victory over the vanquished Krang.
- Courage, Lazlo, Raj, Clam, Samurai Jack, The Powerpuff Girls, CatDog, Steamy, Evan, Puffy, Shai-Shay, Rodger the logging loco, Rattlesnake Jake, 1206, Socky, Skunky, J.J., Buzz, Mako, Sharky, Willy, Mr. Great White, The Miner Trains, The Planet Trains, T.C., Hugs, Sherin, Timber, Splinter, and Chomper, Whiffle, Falcon, Jenny Wakeman, Danny Phantom, Dudley Puppy, Kitty Katswell, Team Chugger, Kanan Jarrus, Ezra Bridger, C1-10P (Chopper), Garazeb Orrelios, Sabine Wren, and Hera Syndulla guest star in this film.
- Mojo Jojo, Princess Morbucks, HIM, and Katz will work for Shredder in this film.