Radio Head

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Across
  1. 6. Site of Ukrainian nuclear disaster
  2. 7. "Zed's dead baby" -- Bruce Willis movie
  3. 8. a guest's guest
  4. 9. sleepytime essential oil
  5. 11. A house for dead people
  6. 13. UFO fuel / element 115
  7. 18. Sirius Black's evil cousin
  8. 19. "Live together, Die alone." -- TV Show
Down
  1. 1. take this to fall asleep
  2. 2. Over 90 billion [hamburgers] sold
  3. 3. 1997 Radio Head album
  4. 4. Good Will _ -- Matt Damon movie
  5. 5. the ability to speak to snakes
  6. 10. "it means no worries"
  7. 12. From The Shining -- "here comes _!"
  8. 14. collects on old collectibles
  9. 15. sour cream & _
  10. 16. Harry's patronus
  11. 17. Beatles album / type of gun