Another Christmas is coming. Bonnie plays with her friends in the room with the Christmas tree. The toys are happy to play with their little masters, but Triceratops Tracy (voiced by Kristen Schaal) seems to be dissatisfied with not being treated as a dinosaur. After a while, her mother called Bonnie to go to Mason's house for the holiday. Bonnie hurriedly put Woody, Buzz Lightyear, Rex, Tracy and the new angel Kitty cat into her bag and set off. When she arrived at Mason's house, Bonnie was surprised to find that the boy was indulging in video games. After a little hesitation, she threw her schoolbag into Mason's toy room. Woody and the others climbed out and found that this seemed to be a long-lost toy world. Not long after, they entered a kingdom composed entirely of dinosaur warriors. The warriors headed by General Dinosaur (voiced by Kevin McKidd) only had fighting and aggression in their minds, and seemed to have forgotten their mission as toys. Tracy and the others were forced to participate in gladiatorial combat...