The Roman Senate debates whether or not to accept the Barbarians into Roman society. The senators in favor of the decision feel that accepting Barbarians will make their society grow even stronger. The senators against the decision believe that the Barbarians will still not be loyal to Roman society. Caesar's decision to accept the Barbarians into Rome is made with the expectation that they will be loyal to Rome.
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.
The team pulls up a hologram of the perpetrator, Renard, and discuss how a bullet got lodged into his head. They mention that the bullet is slowly moving through his medulla oblongata and killing off his senses: touch, smell, and pain. They state that he is getting stronger every day until the day he dies because he lost these senses.