Related Clues:
- ''The ---'' (sci-fi classic)
- Frankenstein creation
- Lump
- Not natural
- Xenophobe's fear
- With 27-Down, sci-fi phenomena that help explain this puzzle's theme
- Amorphous shape
- Border crosser
- 1979 sci-fi thriller
- Shapeless mass
- Nonnative
- From another planet
- Movie monster of 1958
- One with a big head?
- Out of this world?