Episode 1: 恐龙为什么灭了？Why Did the Dinosaurs Disappear?
Together, we discover what life was like when dinosaurs ruled the Earth, what scientists believe caused their sudden disappearance, and the surprising twist that means dinosaurs never truly went away.
Episode 2: 天空为什么是蓝色的？Why is the sky blue?
Together, we discover that sunlight is hiding all the colors of the rainbow, what happens when light crashes into the tiny particles in our atmosphere, and why sunsets turn everything orange and red.
Episode 3: 为什么会有白天和黑夜？Why Do We Have Day and Night?
Together, we discover that the Earth never stops spinning, what that means for every family on the other side of the world right now, and why we never feel the ground moving beneath our feet.