How come Amy is so good? How does she know how to fix all these things, but she doesn't remember the Dalek/Cyberperson invasion? Has she come through the crack from another dimension? Is she the Master?
Mistress shurely?
You git - i've just had a K-9 flashback!
The references/homages/pilfering of old SF continues ...
Falling out of an airlock and being picked up -> pure H2G2.
Which they acknowledged with some probability techno-babble, and I'm 90% sure that one of the gadgets made a noise like the TV version of the physical guide.
oh, and Kathy isn't the only one to notice the red shirt thing - I did wonder if this was deliberate, what with it being Amy's first
"Away Team"trip
</SF geek>