During a Roman triumph, a servant stood behind the victorious general in his chariot and whispered a reminder that he was only human and would die. This episode explores memento mori as a practical tool rather than a morbid obsession, starting with Democritus spending time in tombs, Socrates treating philosophy as preparation for death, and the Stoics Seneca, Marcus Aurelius, and Epictetus, who told students to remember mortality even while kissing their own children.

The hosts then follow the concept through the Black Death, cadaver tombs like that of René of Chalon, bone chapels in Évora and Rome, and the danse macabre as an equalizer of kings and peasants. They cover the commodification of death in skull-shaped watches like Mary Queen of Scots', mourning jewelry, and Dutch vanitas paintings, the Tibetan lojong logic puzzle and Dudjom Lin ...