Chicxulub impactor

The Chicxulub impactor was a celestial object, which scientists mean collided with Earth circa 66 millions of years ago, leading to the extinction of the dinosaurs.

Teenage Mutant Ninja Turtles appearances
In the episode Return of Savanti, Part 2, when the  are trapped in the Cretaceous,  plans to use the  to cause all volcanoes on  to erupt simultaneously.

The force of this cataclysm will tilt Earth off its axis, causing the Chicxulub impactor to not collide with Earth. This will prevent the extinction of the dinosaurs, which in turn will prevent the evolution of Humans and so also the Ninja Turtles.

A fight between the Ninja Turtles and Savanti Romero begins, disrupting the spells. later finds the Time Scepter, allowing the Ninja Turtles to return to New York City in their own timeline.