Owari Title Scene
Serpent Karai on a hospital bed

Owari Ending Scene
Ninja Turtles, April O'Neil, Serpent Karai, and Casey Jones on rooftops looking up at Splinter in the sky


Owari is the twenty-sixth episode of Season 4 of the Teenage Mutant Ninja Turtles (2012 TV Series). This episode was directed by TBA and written by TBA. This episode aired on February 26, 2017.


The Turtles realize they must stop Shredder... and end this conflict once and for all.



Splinter's Wisdom

Character Debuts

Object Debuts

Location Debuts


  • According to Baxter Stockman after he was turned back into a human, he preferred being a mutant fly, as he was much more respected and also due to the new abilities and skills he got alongside with the mutation. He even pointed out that it was the reason he didn't continued attempting to create Retro-Mutagen for himself.
  • Due to Super Shredder being enhanced further more by the Super Mutagen, he gained immunity to the Retro-Mutagen.


Important Events


  • There are references made to the Bruce Lee film, Enter The Dragon.
    • The first reference was made by Bebop when he makes a reference to the title of the film when the Ninja Turtles, April O'Neil, and Casey Jones were entering the Foot Clan Dojo, as he exclaims "Aww, look at this. They think they're entering the Dragon".
    • The second reference is made by Tiger Claw when one of his interchangeable weapons for his mechanical hand that showed resemblance to Han's, the main antagonist of the film.
  • When Leonardo was pulling Rocksteady by his ears and exclaims that he has sensitive ears, this is a reference to the 1987 Teenage Mutant Ninja Turtles when Rocksteady exclaims to Shredder that his ears were sensitive as well.
  • With his new prosthetic robotic hand, Tiger Claw bears more of a resemblance to Verminator-X from the Archie comics.
  • In the climax of the final battle, Leonardo cuts off Super Shredder's head with his Katana Swords to finally kill him, which is a reference to the Mirage comic issue #21, where Leo decapitated Shredder as well.



  • The title of this episode was confirmed months before it aired alongside with Requiem by Gwendoline Yeo on her Twitter account, when she posted confirming in which future episodes Shinigami would be in.
  • "Owari" is Japanese for "The end".
  • This episode concludes the end of The Foot Clan story arc.
  • This episode aired on December 30th in South Korea.
  • There was a deleted scene in the episode of the assassination of Super Shredder, in which a line can be seen on his neck after Leonardo strikes him with his Katana Sword. Also blood can be seen flying from his neck, which was censored due to it being graphic for kids. The full image was revealed by Ciro Nieli on his Instagram account, but in the final episode the blood can still be seen dripping from the sword.