[remembering Rose in her parallel world] But she told me... to warn you. She said two words...
What two words? What were they? What did she say?
Bad Wolf.
[The Doctor looks incredibly panicked]
W-What does it mean?
[Without responding to her, The Doctor immediately rushes out of the fortune teller's shop to see any and every visible text rendered as "Bad Wolf". Horrified, he runs to his TARDIS, only to find that it too displays only the words "Bad Wolf". He enters the TARDIS, which is bathed in a red light and is ringing the Cloister Bell.]
Doctor, what is it? What's Bad Wolf?
It's the end of the universe!
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