To celebrate Scooby Doo's first Christmas, 10-year-old Shaggy and the gang take him to a holiday-themed resort owned by Fred's favorite Uncle Ned. When the park is beset by a ghostly haunting, the kids must solve a 40-year-old mystery to save the resort and show Scooby the true meaning of Christmas.
- Uncle Ned (only appearance)
|Iain Armitage||Young Shaggy Rogers|
|Mckenna Grace||Young Daphne Blake|
|Pierce Gagnon||Young Fred Jones|
|Ariana Greenblatt||Young Velma Dinkley|
|Michael McKean||Uncle Ned|
- "Ruh-roh" count:
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- Series running gags:
- Burlingame, Russ (December 22, 2022). . ComicBook.com. Retrieved December 23, 2021.