Doctor Who (TV Series)

The Zygon Invasion (2015)

Jemma Redgrave: Kate

Quotes 

• Kate : You left us with an impossible situation, Doctor.

  The Doctor : Yes, I know. It's called peace.

• Kate : It's a nerve gas. Unravels their DNA. Basically turns them inside out.

  Clara Oswald : Where do you keep it?

  Kate : We don't. It was taken. The formula, the lot.

  Clara Oswald : Who took it?

  Kate : Somebody with a Tardis.