8. The Girl Who Dove to the Bottom of the Ocean

17. How to Find Your Way with Nothing but the Sky

A stowaway named Nell wants to know how sailors found their way across the ocean before maps with little blinking dots. The old ship's navigator teaches her the real tools: the North Star, the magnetic compass, reading distance from the height of the stars, why a heavy wooden ship floats, and the knots that hold it all together.

16. What Would It Actually Take?

Maya wants to fly. Her science teacher asks: what would that actually take? A real lesson in lift, drag, thrust, and air resistance — wrapped in Maya designing her superpower from scratch and discovering that the physics are more interesting than the fantasy.

15. What Kind of Turtle Are You, Anyway?

Donatello has always focused on machines, not biology — until April challenges him: what kind of turtles are they, actually? A disguised trip to the natural history museum turns into a real lesson on turtle biology, and the funnier it gets, the more Donnie realizes how little he knows about himself.

14. How Do We Know About Dinosaurs?

When Jaylen visits the natural history museum, paleontologist Dr. Chen takes him behind the scenes to answer the biggest question of all: how do we know anything about dinosaurs if they all disappeared 66 million years ago? The answer involves mud, minerals, patience, and a little bit of detective work.

13. What Makes a Monster Truck a Monster?

When Maya wins a backstage pass to the monster truck rally, mechanic Ray shows her exactly what makes these machines so extraordinary — from tires taller than a person to engines built from scratch, and the surprising science that keeps drivers safe when things get wild.