On Wednesdays, we wear...

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Across
  1. 2. Tricksy gremlin (6)
  2. 4. Soap dispenser songstress(5)
  3. 9. Greta Gerwig film (6)
  4. 11. Let there be light! (4, 3, 3, 4)
  5. 14. Thorny flower (4)
  6. 15. Poison (5)
  7. 17. On Wednesdays, we wear...? (4)
  8. 18. Cephalopod (7)
  9. 19. Popping candy? (9)
Down
  1. 1. Meechee (7)
  2. 3. Spongebob's friend (7)
  3. 5. Bagheera's bride (10)
  4. 6. Avian scavenger (7)
  5. 7. Web-like treat (10)
  6. 8. On Wednesdays, we wear...? (6-3)
  7. 10. Balloon pokemon, famous for its singing (10)
  8. 12. Kero Kero Bonito song (8)
  9. 13. Salamander with external gills (7)
  10. 16. Round Nintendo character (5)
  11. 20. The King of Pop (1, 1)