DALEK: Surrender the crystal!

DOCTOR: Oh, all right. (stops running) You can have it. But let my friend here go first.

DALEK: She must be exterminated.

DOCTOR: Let her go, or I'll smash your crystal against this wall. Go on, Romana, to the end of the corridor.

ROMANA: Doctor, another one.

DALEK 2: Do not move.

ROMANA: Your friend just said I could.

DOCTOR: Afraid so. Don't kick him out of the union or anything, will you. | did threaten to destroy your precious crystal. What you might call a Mexican stand-off. Ever exterminated any Mexicans?