- Professor Eustacius Jericho: I, sir, am Eustacius Jericho, scourge of scoundrels. I wish I had written that autobiography. What a good title.
- Karvanista: I will kill every last Sontaran!
- Sontaran Commander Stenck: I look forward to the combat.
- The Doctor: Need a lift anywhere?
- Dan Lewis: Why? Where are you going?
- The Doctor: No idea. Wanna come?
- Sontaran Commander Stenck: Peoples of the universe, the warriors of Sontar offer you hope. To our longtime foes on the battlefield we make this offer: in the face of an event which may extinguish us all, we offer the three-fingered hand of uneasy alliance. We must join together to survive the threat against us. Except Rutans. Rutans, you remain hideous scum that must be obliterated.
- Diane: I figured systems have a purpose, and if it's buried it's to prevent interference. So I interfered.