Mark Williams (The Fast Show), Rupert Graves (Sherlock) and David Bradley (Harry Potter) all crop up in this week's space romp - check out our ten teasers below for a few hints at what to expect!
Doctor Who continues this Saturday (September 8) on BBC One and BBC America.
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1. Following last episode's Jenna-Louise Coleman reveal, expect another big twist in 'Dinosaurs'.
2. "I liked you before you said ********."
3. The Doctor has something that Rory doesn't.
4. "I'm going to look at rocks!"
5. Rory gets a chance to show off his "awesome... skills".
6. "It is quite ridiculous. Also brilliant!"
7. Amy suspects that she's been replaced.
8. "Whenever you enter somewhere new, ***** *******."
9. The Doctor does something rather shocking near the episode's end...
10. "I shall put you across my knee and spank you!"
Are you excited for 'Dinosaurs on a Spaceship'? Let us know below!