In this episode an Aerial Anomaly is reported over at least seven locations in Los Angeles. These observations let Charlie plot the aircraft's likely flight path by using a new way of removing noise from noisy signals ("Squish-Squash").
Sophie answers the question, "what is a computer?" She uses an analogy involving a person at a desk to illustrate how computers process information and discusses the different components in a computer, such as a hard drive, memory, and a processor. She then talks about binary, the language of computers
Leonard, Raj, Howard, and Sheldon are working together to map out the route of their night out. They are trying to decide where to get a meal and an icey and then where to go to see a movie. The decision-making process takes longer because more people's interests must be taken into account. This illustrates that, the more people that are involved in a decision-making process, the longer it can take for a decision to be made.