Square One TV helps kids understand the concept of a parabola. They work through the steps of measuring the distance of a kicked football.

Matt, Jackie, and Inez go trick-or-treating on Halloween. They visit Jackie's piano teacher's house, which features a talking scarecrow that gives out candy. The scarecrow has three buttons on it, each giving out a different type of candy. The group figures out the output (candy) for different inputs (button color).

Bart's gifted school teacher hides a joke in the answer of a derivatives problem. Bart doesn't seem to get the joke, so the teacher briefly explains how she arrived at the answer.

The team at NASA is trying to launch a capsule and bring it back to Earth. To do so, they need to calculate its change in trajectory as it moves from an elliptical orbit to a parabolical orbit. Katherine discovers that they can use Euler's Method to approximate the change in trajectory.

This section of the Crash Course explains what Limits are and why they are useful. Shini (the woman in the video) explains what an interval is and how they are used for limits.