The Doctor gets tough with Ashildr once he realizes Clara's life is in danger. Unfortunately, Ashildr never imagined Clara would voluntarily take on Rigsy's sentence.
The President of the World (aka The Doctor) boards his plane in an effort to stop the Zygon invasion. However, Bonnie (evil Clara) appears to have shot it out of the sky. How does the Doctor survive?
The Doctor: It's a risk. Graham: Oh, like none of our other trips have ever been risky. The Doctor: I have apologized for the Death Eye Turtle Army! Profusely.