On Christmas Eve, Jack and Annie's tree house transports them to King Arthur's castle at Camelot, where they undertake a quest to the castle of the Otherworld.

In 1957, problems at the mine threaten to ruin Christmas for fifth-grader Don, his family, and the rest of their Oklahoma coal town, but Don's bloodhound, Frank, is determined to do whatever it takes to make the holiday special for Don and his six-year-old sister, Susan. Alternate chapters are told from the human and canine points of view.

During one of Bonnie's post-Christmas playdates, the Toy Story crew find themselves in uncharted territory when the coolest set of action figures ever turn out to be dangerously delusional. It's all up to Trixie, the triceratops, if the gang hopes to ever return to Bonnie's room.