Across
- 3. The planet we live on.
- 7. Super depressed robot.
- 11. The space ship they fly around in.
- 12. The ship board computer.
- 13. Makes traveling through space really easy.
- 14. A massive empty area.
- 16. A talking mouse.
- 17. Evil alien species that destroyed Earth.
- 18. Legendary lost planet.
- 20. The other talking mouse.
Down
- 1. The Earth was destroyed to build this.
- 2. Life, the Universe, and everything.
- 4. Arthur's best friend.
- 5. Super computer used to find the answer.
- 6. Someone who gets free rides places.
- 8. Ex president of the galaxy.
- 9. A magrathean who helps them escape.
- 10. Last surviving girl from Earth.
- 15. Milky way _______
- 19. Earth man