[Madge and the Doctor have arrived in front of a police box]
I just need to find the key.
Do you want me to do it with a pin? I'm good with a pin.
Multidimensional, triple-encoded temporal interface. Not really susceptible to pointy things.
[Unlocks the police box doors with a pin] Got it.
Okay. Suddenly the last nine hundred years of time travel seem a bit less secure.