Stardate: 47653.2 After Data and Picard leave the ship on a long journey to retrieve an errant upgraded photon torpedo, they return to find the members of the crew are de-evolving into their prehistoric ancestors.

Highland High School's new psychiatrist tries to psychoanalyze Beavis and Butt-head, and gives them some psychological tests. They fight in her office and misuse her things while she takes notes. The boys find the inkblot tests that the psychiatrist gives them to be especially stimulating, but she finds their answers disturbing.