Mutant Ninja Turtles Season 1 — Teenage

This season transitioned the franchise into with a heavy focus on character growth and humor.

: Shredder, Krang, Bebop, and Rocksteady are introduced as the primary antagonists operating out of the Technodrome . Teenage Mutant Ninja Turtles Season 1

: The season finale, "Showdown," features a massive battle against the Kraang and Shredder, revealing that Shredder's daughter, Karai, is actually Splinter's lost daughter . Recent Reboots This season transitioned the franchise into with a

: The season concludes with the Turtles infiltrating the TCRI building , discovering their origin's link to the Utrom aliens, and Splinter mysteriously disappearing. 2012 Animated Series (Nickelodeon) Recent Reboots : The season concludes with the

: It introduces the mutation of Hamato Yoshi into Splinter and the Turtles' first meeting with reporter April O'Neil .

: It features a darker aesthetic with heavy shadows and no pupils in the Turtles' masks.

: Major arcs include the "Notes from the Underground" trilogy and "The Shredder Strikes Back".