Live, from New York...

123456789101112131415161718
Across
  1. 4. Trombones are her theme song
  2. 7. A hard day's _____
  3. 12. "**** it, we're doing it ____!"
  4. 13. The calendar day named for the god of agriculture
  5. 15. Like most opening scenes of each episode
  6. 16. One half of a groundbreaking anchor duo
  7. 17. Where the Maharelle Sisters hail from
  8. 18. Only person to host three times in one season
Down
  1. 1. The Chronic, what?
  2. 2. A way to describe Stanleys
  3. 3. Played an overly excited retail associate
  4. 5. Gave Trebek the most grief
  5. 6. Cut a hole in the box
  6. 8. The host of the most, at 17 times
  7. 9. The age of Sally O'Malley
  8. 10. The other half of 1 Across
  9. 11. The most frequent musical guest
  10. 14. Snakes hide these things from Brian Fellows
  11. 17. The best audience member you've ever seen