Complete
00:00:00
8 10 13 16 6 5 19 1 17 2 9 14 3 11 15 4 12 18 7
  1. 5 a Boisterous comedy involving collisions and practical jokes (9)
  2. 8 a Clarified butter used in Indian cookery (4)
  3. 9 a Unrealistic (8)
  4. 10 a Ask (6)
  5. 11 a With great force (6)
  6. 13 a Hard mineral consisting of silicon dioxide in crystal form (6)
  7. 15 a Canny (6)
  8. 16 a Give heart to (8)
  9. 18 a Obnoxious lot (slang) (4)
  10. 19 a Burrowing mammal covered with strong horny plates (9)
  11. 1 d Underlying (8)
  12. 2 d Cloudy — obscure (6)
  13. 3 d Chamber (6)
  14. 4 d Reverberation (4)
  15. 6 d Whatsit — my thin mug (anag) (9)
  16. 7 d Small northern grey gull with a shrill cry sounding like its name (9)
  17. 12 d Grotesque waterspout (8)
  18. 14 d Narrow belt in the heavens divided into 12 signs for astrological purposes (6)
  19. 15 d Illuminated by a star during the day (6)
  20. 17 d Bhindi (4)

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