Beakman explains what metals are and how they occur naturally. He then pretends to be Andrew Carnegie to explain how he figured out how to make steel. Beakman explains that steel is a lot stronger than iron so this allowed us to create buildings, strong machines, etc.

Beast Boy and Terra spends a day together traveling and trying new things. They develop skills on how to build a relationship when they visit the amusement park and restaurants.

Supervolcanoes can cause extreme destruction. 50,000 years ago in the Sierra Nevadas, a supervolcano erupted to create a 20 mile crater, known as the Long Valley Caldera.

Despite the odds, Jewish communities take shape throughout Europe, Asia, and North Africa impacting the societies there, especially in the realms of ethics and morality.

Disaster strikes in a New York tunnel as explosions collapse both ends of it; a combustion ensues.