Intro: Sometimes, in order to succeed, you have to get inside yourself. We, of course, understand that to be a metaphor, but The Doctor and Leela will have to take the phrase quite literally if they intend to overcome "The Invisible Enemy."

Outro: What does a twelve million year-old human skull do? Anything it wants to as you will learn when you join us next Sunday night at 11 for "Image of the Fendahl." [source: ChicagoEpguides]