"X'mas da yo! Doraemon & Doraemons Chō Special" is a Christmas-themed special episode of the Doraemon franchise, featuring the beloved robotic cat Doraemon and his counterparts from parallel worlds, known as the Doraemons. The story begins with Nobita, a young boy who often struggles with his studies and daily life, feeling particularly down during the Christmas season. Doraemon, his robotic companion from the future, decides to cheer him up by organizing a festive gathering with the Doraemons.

The Doraemons, each with distinct personalities and gadgets, arrive to celebrate Christmas with Nobita and his friends. The group includes Wang Dora, a Chinese-themed Doraemon; Dorarin, a cowboy-inspired version; El Matadora, a matador-style Doraemon; and Dora the Kid, a Western gunslinger. Together, they bring a mix of humor, adventure, and holiday spirit to the story.

The plot centers around a series of lighthearted and comedic events as the Doraemons and Nobita’s friends prepare for a Christmas party. However, the festivities take an unexpected turn when a mysterious figure named Santa Claus appears, claiming to be the real Santa. The group becomes suspicious and investigates, leading to a series of misadventures involving time travel, mistaken identities, and the true meaning of Christmas.

Throughout the special, the Doraemons showcase their unique gadgets and abilities, adding a layer of creativity and fun to the narrative. The story emphasizes themes of friendship, generosity, and the joy of celebrating together, all while maintaining the whimsical and heartwarming tone characteristic of the Doraemon series. The special concludes with a festive celebration, reinforcing the spirit of Christmas and the bonds between the characters.