. 1. There's a cheeky reference to a deceased former Torchwood member (and no, it's not Ianto).- It's very likely that this is Owen.
2. The chief villains from Torchwood: Children of Earth also get a mention, in a roundabout sort of way. The 456
3. "The Founding Fathers had me in mind when they wrote the Constitution, don't you think?"- Oswald Danes says this in a clip realeased by the BBC yesterday
4. At one point, Rex makes a less than graceful escape.
5. "She should have run faster."
6. A certain drug familiar to Torchwood fans is utilised once again.- Presumably retcon, the amnesia drug
7. "First sign of trouble, you go running off with Captain Jack B*llocks."- confirmed to have been spoken by Rhys
8. Wales is the British equivalent of New Jersey.
9. "I've got to *** for this ******?!"
10. After lurking in the shadows for a while, Captain Jack makes a suitably heroic return.