Doctor Who: [referring to the Master] He must have known I was going to fix the chameleon circuit.
Adric: He read your mind?
Doctor Who: Well, he's a Time Lord! In many ways we have the same mind.
Tegan Jovanka: [feeling the TARDIS lurch] Crazy idiot of a pilot! Wait till I have a word with him.
Doctor Who: Never guess, unless you have to. There's enough uncertainty in the universe as it is.
Tegan Jovanka: My aunt's waiting in a car to take me to the airport.
Doctor Who: Your aunt! Woman in a white hat, red sports car?
Tegan Jovanka: You've seen her.
Doctor Who: [recalling she was tissue compressed to the size of a doll] Well, a little of her.