In Episode 24, Living the Life of the Mind...While Getting Our PUMP On, the team discuss:

Philosopher, bodybuilder, silver screen star, Michel Foucault (Portrait of a Philosopher);

Nudging and the onset of philosophical senility (Peripathetic Problems);

A fight destined to be filled with creepy innuendo, Freud vs. Beauvoir (Philosofights).

If anyone's confused by the episode title, here's your recommended reading.