Let's Kill Hitler teasers

To get y'all pumped up, here's some teasers from DoctorWhoTv:

River’s aging is explained
The Doctor gets a new sonic toy
What is rule number one?
River is given hell
Is the Doctor worth it?
How many regenerations?
Kovarian doesn’t actually appear…
…Neither do The Silence, but their plan continues
A very old question is asked, but not answered
The Luna University

Don't forget, Doctor Who airs at 7:10 on BBC1!!!!