Across
- 1. - Opposite of depth
- 4. - A bird of prey on its thousandth year?
- 9. - Tree with four-petal white blooms
- 11. - To regret
- 12. - It comes before September
- 15. - Hello, in Hawai'i
- 16. - The sci-fi franchise from which 4-across, 5-down, and 13-down originate, and this puzzle's theme
- 17. - Limit
- 19. - Norse goddess on skis
- 20. - Bolivia's capital
- 21. - "These are not the ___ you're looking for"
- 22. - A song title shared by Fleetwood Mac, the Cranberries, and Van Halen
- 24. - "Nevermore, ___ the raven"
- 25. - Cosimo or Giuliano, say
- 29. - Texas city that's home to rapper Megan Thee Stallion
- 31. - The Black ___ Murder
- 32. - 2018 album by pop punk band Fall Out Boy
- 36. - The fictional powdered poison from Goldman's "Princess Bride"
- 37. - The name of the doctor who created an eponymous monster
- 38. - It's more than once
- 39. - A strong anesthetic, informally
Down
- 2. - All of
- 3. - Prefix to -water or -write
- 5. - A fencing foil that's not too heavy?
- 6. - A seal of personal authority, typically found on a ring
- 7. - To speak, en español
- 8. - "Is that really ______?"
- 10. - The Devil's in them
- 13. - An annoying ghost?
- 14. - The state of coming into view?
- 18. - Get rid of
- 23. - 1953 song by Big Mama Thornton
- 26. - Home, to a college student
- 27. - Jackie, from 1968 onwards
- 28. - Architectural style preferred by Trinity Church and UChicago, among others
- 30. - Put away, as a sword
- 33. - Desert snake
- 34. - Almond & vanilla are two
- 35. - For ever