Oh, nice, sign language!

Ha HA! I felt reminded of The Impossible Planet/The Satan Pit just because it's an airtight station at the ass end of nowhere, but now we also have the untranslated writing!

The Psychic Paper! \o/
Heh, O'Donnell is a big fan of the Doctor.

I'm starting to worry that Cass isn't there just because, but actually for a plot reason (just because would be nicer for representation). That she'll turn out immune or something.

OMG, the Doctor has cards for appropriate things to say! I like that Twelve isn't an actual asshole anymore, only an accidental one.

Speaking of assholes: I'm glad the first one to die (after the Doctor & Clara's arrival) is the unlikable crew member.

Haha, Bennett's "Hey, how is it going?".
I don't know, having Lunn on the ghost-catching mission seems a bit risky. If he dies, it'll slow down communication between Cass and the others.
Hm, the sountrack is a bit dubsteppy, but it doesn't include the annoying bits of the genre.
Hey, I'm glad Lunn survived - but how?!

Lipreading - so that's what Cass is for? Oh, did Pritchard let Lunn live, so he could translate Cass, so the others would know what the ghosts want?

Now I want to see the clockwork squirrel the Doctor made from a radio.

Wow, I find the soundtrack interesting for the first time in ages!

Ooh, Doctor ghost - interesting! I'm glad no one from the crew died.
OMG, it's really another two-parter! So going by the other episode titles, this whole season will actually be two-parters! O_O