The MythBusters test the myth that talking to plants makes them grow better. They set up several test groups of bush peas, and all are under the same conditions except the type of sound to which they are exposed.

Malcolm's teacher demonstrates a psychological experiment called the Milgram experiment using Malcolm as the subject.

Social psychologist Stanley Milgram conducts a series of radical experiments that test the willingness of individuals to obey authority. When the inflictor is interviewed as to why he continued to send electric shocks after each incorrect answer even when he was begged to stop, the inflictor implies that it wasn't that serious because it was the subject that made the request. This clip illustrates the conflict between personal conscience and obedience to authority.

A government agency tries to figure out what all these space cubes are capable of by examining them in various situations.

The MythBusters analyze the results of their "talking to plants" experiment with bush peas. While they cannot come to a reliable conclusion due to the small sample size used, they find that exposing plants to any form of sound, whether positive or negative, helps them grow better.