Happy Time !

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Across
  1. 4. Easy now Davros (5)
  2. 8. US President 1961-63 (3)
  3. 9. If you don't do it, Sky will (5,4,4)
  4. 11. Japanese Car Manufacturer (10)
  5. 14. Worked closely with Maria (7)
  6. 16. Produce and discharge something (4)
  7. 18. Associate of Saddam (5)
  8. 20. Home of 'Tim', unheralded composer and producer (6,10)
  9. 22. Large double-edged Broadsword (8)
  10. 25. Engine type (3)
  11. 26. Useful distraction to avoid payment of debt (9)
  12. 27. Travels up, down, and around (8)
  13. 29. Metacarpophalangeal and Interphalangeal joints of the finger
  14. 30. Ornithologist is a real goodie (4,5)
  15. 31. Tolerable, but no more than (12)
  16. 33. Current British record holder, 400m hurdles (5,7)
  17. 35. Reptile, approaching with ill-intent (6)
  18. 36. Viti Levu and Vanua Levu are the major islands of this archipelago in the South Pacific (4)
  19. 37. Rectangular array of numbers or other mathematical objects (6)
  20. 38. Combination of Tomato juice, egg yolk, and brown sauce (3,2,5)
Down
  1. 1. Make a low, short, guttural sound (5)
  2. 2. Sexually magnetic Breakbeat duo (5,5)
  3. 3. Tough division! Requires skill and laminates (3,4,9)
  4. 5. Multiple Phil Collins film (7)
  5. 6. There's more to it 'dun diss' (7)
  6. 7. If I've said it once..... (4,4)
  7. 8. Eurpopean 200m gold medallist, 1990 (4,5)
  8. 10. Place saucepan here (3,3)
  9. 12. An ornamented cabinet located near the altar in Catholic churches (10)
  10. 13. You might call them magicians of sound (7)
  11. 15. Strong and barely controllable emotion (7)
  12. 17. Sexually magnetic breakbeat threesome (11)
  13. 19. Swinging according to Lynne (3,8)
  14. 20. Toby's secretary (amongst others) (4,10)
  15. 21. Person qualified in the rescuing of capsized canoeists (6,6)
  16. 23. Damage aquatic life (9)
  17. 24. The 'G' in AGP (6)
  18. 28. Picturesque English County (8)
  19. 31. Born in Holland (5)
  20. 32. Mythical beast (4)
  21. 33. Formidable scent (3,7)
  22. 34. Would 'pull your head off' (5,4)