• The title is a reference to the works of author Charles Dickens, notably A Christmas Carol.
  • When Opie looks out his window at an elderly gentleman and his family reuniting, it is a parody of a similar scene from 1990's Home Alone in which neighbor "Old Man" Marley is reunited with his estranged family.
  • Holden and his fate are a reference to Hodor in Game of Thrones and the 6th season episode "The Door", in which the latter's death while being urged to "hold the door" causes a mental link to his younger self to result in brain damage.

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