In no particular order...
  1. β€’
  2. β€’
    Ron's voice breaking midway through Chamber of Secrets
  3. β€’
    When Mr Malfoy says to the Weasley's at the Quidditch World Cup: "Well if it rains, at least you'll be the first to know"
  4. β€’
    "Turn to page 394"
  5. β€’
    When Gilderoy makes Harry's arm go floppy
  6. β€’
    Harry and Myrtle's bath
  7. β€’
    Harry's questions marks when he writes to Tom in the diary
  8. β€’
    Harry's pincers, basically Harry the whole time he's on Felix Felicis
  9. β€’
    "Dobby is freeeeeeee"
  10. β€’
    Fred and George when they get into the Goblet of Fire ring
  11. β€’
    Snape as Neville's boggart
  12. β€’
    "We could be killed, or worse expelled"
  13. β€’
    "Ooohh just with my voice, amazing!"
  14. β€’
    When Filch thinks Harry killed Mrs Norris
  15. β€’
  16. β€’
    "I didn't know you could read"
  17. β€’
    Aunt Marge flying in the distance as Harry leaves the Dursleys
  18. β€’
    "You foul, loathsome, evil, little cockroach" followed by "that felt good" πŸ‘ŠπŸΌπŸ‘ŠπŸΌ