Ep 10. Turtles At the Earth's Core

In the season 3 episode 10 of Teenage Mutant Ninja Turtles (1987) named "Turtles At the Earth's Core," the turtles find themselves in an unfamiliar and dangerous place. They come across an old professor who has created a drilling machine that will take them to the Earth's core. Although they are skeptical at first, the professor convinces them to come on the journey with him.

Once they arrive at their destination, they quickly realize that they are in trouble. The Earth's core is plagued with all kinds of strange and dangerous creatures, including giant insects and dinosaurs. The turtles must use their ninja skills to fight off these creatures and try to find their way back to the surface.

As they explore the underground world, they discover that it is inhabited by a race of primitive humans who have never seen the outside world. The turtles befriend the humans and help them protect their village from the dangers of the Earth's core.

In the meantime, the professor has become obsessed with finding a powerful energy source deep within the Earth's core. His obsession leads him to make some dangerous decisions, and the turtles must work together to stop him before it's too late.

The episode is filled with exciting action sequences, as the turtles battle their way through the dangerous underground world. However, it also explores themes of friendship, loyalty, and the dangers of obsession. As always, the turtles show their bravery and determination in the face of adversity, proving once again why they are such beloved heroes.