LEELA: Why did you shoot Narvin, K9? Not that I’m complaining.

K9: Pandora was only active by piggy-backing the brainwaves of an exceptionally intelligent Time Lord.

BRAXIATEL: Hence his lack of sleep. If Narvin had slept, Pandora’s power would have closed down. She must have accessed him ages ago.

ROMANA: Or, like me, it might be inherited, waiting for the right moment.

LEELA: I do not know which shocks me most, Romana. That you had a previous life, or that Narvin is considered one of the most intelligent Time Lords.