R. Lee Ermey

Peter ends up taking part in a deadly jousting duel when he decides to pursue his dream career as a knight at the local Renaissance fair.

When the interns are visited by their parents, they begin to see themselves in a new light. JD realises that his dad's rude manner hides his loneliness, whilst Elliot feels distant from her cold-mannered parents. Meanwhile, Turk is unnerved by the bonding of his girlfriend, Carla, and his brassy mother.

A Princeton student who is graduating suffers a seizure while partying at a frat house, and House's parents drop by to see their son.

House is on the way to the funeral of his father but en-route, he and the team must help a Chinese girl who has collapsed under mysterious circumstances.

Mulder and Scully must protect a child from a serial killer with a penchant for murdering those claiming to suffer from religious wounds.