[s4e1] Beyond The Known Universe → ❲RECOMMENDED❳

The episode is featured on the DVD and home video releases titled " Beyond the Known Universe ".

A robotic scientist who saves the team and provides the technology for time travel and interstellar flight. [S4E1] Beyond the Known Universe

Fans noted the "cinematic feel" and the shift toward more traditional sci-fi tropes, including space battles and diverse alien landscapes. Beyond the Known Universe | TMNT Wiki | Fandom The episode is featured on the DVD and

Picking up after the destruction of Earth by the Triceratons, the mysterious Fugitoid uses his ship to transport the Turtles, April O'Neil, and Casey Jones six months back in time. Their mission is to find and secure the three fragments of the before the Triceratons can assemble them. Beyond the Known Universe | TMNT Wiki |

The episode marks the debut of the Insectoids , as well as several minor characters like Valaxina and Chupo.