The Turtles learned with grim dismay that the Kraang had not been vanquished in their last encounter. Instead, they had scattered mutagen canisters throughout New York City, unleashing a fresh wave of chaos.

In pursuit of a mutagenic substance, the Turtles inadvertently bring a mutated squirrel back to their subterranean home. Soon, the creature begins to proliferate, and the heroes of the sewers find themselves tasked with hunting the burgeoni…

The Turtles found themselves confronting a relentless tide of robotic infantry. Meanwhile, Karai had captured Leonardo, compelling him to fight against ninjas whose movements mirrored his own with unsettling precision.

Driven by a desperate hope to heal April’s father, Donatello delves into the volatile world of mutagen. His research, however, takes a dangerous turn; a failed experiment results in his own uncontrolled release into the city.

While experimenting with a volatile compound, Michelangelo inadvertently exposes himself to a mutagenic substance. The result is a rapidly escalating infection, twisting his very being with unpredictable and uncontrollable mutations.

April attempts to piece together a semblance of normalcy, but a growing unease settles within her. The return of Karai’s pursuit casts a shadow of doubt, and April begins to fear she may have endangered her friend.

A fresh danger has emerged, and the Turtles are its target: a fellow mutant turtle named Slash, driven by a deeply personal animosity toward the brothers.

Having faced the unsettling reality of mutants and ninjas, Casey Jones resolved to confront what he deemed truly evil, alone. His path soon intersected with Raphael's, and the two volatile fighters were forced to set aside their mutual anim…

A sense of exclusion clings to April, compelling her to accompany the Turtles on a mission to TCRI. During the outing, a long-held secret from April’s past comes to light.

A mutated fungus has taken root in the city's sewer system, unleashing a wave of terror that forces the Turtles to confront their deepest anxieties. For Leonardo, the darkness stirs a fear more profound than any he has known before.

Following Donnie’s enhancements to Metalhead’s artificial intelligence, a difficult question confronts him: could he truly trust a machine now capable of independent thought?

The return of the Rat King demands that Splinter confront his deepest anxieties if he is to prevail against his foe.

Leonardo contemplates seeking Splinter’s counsel as he confronts Shredder’s latest assassin. Meanwhile, Donatello must set aside his competitive spirit with Casey to expose a sinister Kraang scheme.

Faced with Shredder’s latest assassin, Leonardo contemplates seeking guidance from Splinter. Meanwhile, Donatello must overcome his animosity toward Casey to expose a sinister Kraang scheme.

To distract themselves, the turtles engage in elaborate fantasy role-playing games, deliberately blurring the line between make-believe and the world around them.

The Turtles concoct a retro-mutagen in an effort to aid April’s father, but their efforts are complicated when Baxter Stockman threatens to transform April himself.

A shadow of concern crossed Raphael’s face. He harbored doubts about Casey’s capacity to manage the escalating mutant threats, a worry that deepened with the prospect of encountering Slash once more. The news that Slash now had a partner, t…

Mikey found himself battling disbelief as he tried to warn the others. A new mutant was at work, he insisted, employing bizarre tactics – using pizzas animated with life to ensnare and capture people. His warnings, however, were met with sk…

Upon his return, Tiger Claw declares a relentless pursuit: to hunt down and eliminate not only the turtles, but also April and Casey. Simultaneously, Karai uncovers a truth about her parentage, a revelation that compels her to make a decisi…

Leo pleaded with the team, urging them to attempt the rescue of Karai. The urgency stemmed from a theft: the notorious Shredder's helmet had been stolen by a master thief.

A careless movement sent Raphael careening into a complex piece of machinery, triggering an unforeseen consequence: he found himself inextricably linked with a Kraang. The minds within his own body were now a battleground, a desperate strug…

Ignoring Splinter’s cautions, Leo orchestrates a rescue for Karai. Though the endeavor proves successful, Karai's newfound knowledge of the truth fuels a desperate need for vengeance against Shredder, who murdered her mother and deceived he…

A growing unease settled over Donnie as he watched April and Casey’s closeness deepen. His feelings of envy intensified with each shared glance, each easy laugh. Then, darkness descended. April vanished, taken by a malevolent entity whose p…

In the strange and unsettling realm of Dimension X, it is Michelangelo who possesses the unique ability to navigate its complexities.

A rift formed between Leo and Donnie regarding their strategy for halting the Kraang invasion. When Leo’s misjudgment resulted in his separation from the group, Donnie was forced to assume leadership, stepping forward to guide them.

A rift formed between Leo and Donnie regarding their strategy for halting the Kraang invasion. When Leo’s misjudgment led to his separation from the group, Donnie was forced to assume leadership, stepping forward to guide them through the e…