12 Chapters:

1. 1. Prologue: Siblings' Departure [Cache]
   1,285
2. 2. Chapter 1: Halloween in Chaos [Cache]
   1,470
3. 3. Chapter 2: Search for Cadance and Luna [Cache]
   2,063
4. 4. Chapter 3: The Rescue [Cache]
   2,380
5. 5. Chapter 4: Getting into the Mansion [Cache]
   2,195
6. 6. Chapter 5: Mad Science [Cache]
   2,225
7. 7. Chapter 6: Smashing Pumpkin Foes [Cache]
   1,774
8. 8. Chapter 7: Helping Friends [Cache]
   2,618
9. 9. Chapter 8: Diamond Dogs' Final Fight [Cache]
   1,875
10. 10. Chapter 9: Restoring Holidays [Cache]
    4,230
11. 11. Chapter 10: Chaos Discord! [Cache]
    3,661
12. 12. Epilogue: A Scary Merry Ending [Cache]
    1,596