While moving his stuff to the basement, George encounters a scary noise. He uses a recorder he finds the object creating the noise.

Isabella sings the "Triangulation" song to explain how she figured out the building from where the pharmacist zombies originated.

Homer Hickam is accused of starting a fire by his teacher. He solves a kinematic free fall equation to prove his innocence.

In this clip, Charlie mentioned several different mathematical topics including network valuation theory and area filling problems

In this clip, Charlie uses a face recognition program to identify the people that appear in a surveillance video. He uses a technique called Eigenfaces to do this