Doraemon: Nobita's Little Space Wars 2021 (ドラえもん のび太の宇宙小戦争 2021 Nobita no Uchū Ko Sensō 2021) is the 41st installment of Doraemon feature films. The film was planned to be officially released on March 5, 2021 but was postponed on January 29, 2021 due to limitations during the COVID-19 pandemic  and rescheduled for the Japanese theatrical release on the spring of 2022.
It is a remake of the 1985 film Doraemon: Nobita's Little Star Wars and was first announced on November 16, 2020 with the release of its trailer; the trailer uploaded to YouTube was however deleted and reuploaded on January 29 possibly due to the postpone notice.
One day during summer vacation, a palm-sized alien named Papi appears from a small rocket that Nobita picks up. He is the president of Pirika, a small planet in outer space, and has come to Earth to escape the rebels. Doraemon and his friends are puzzled by Papi's small size, but as they play together using the secret tool "Small Light", they gradually become friends. However, a whale-shaped space battleship comes to earth and attacks Doraemon, Nobita and the others in order to capture Papi. Feeling responsible for getting everyone involved, Papi tries to stand up to the rebels. Doraemon and his friends leave for the planet Pirika to protect their dear friend and his home.
- Nobita Nobi
- Shizuka Minamoto
- Suneo Honekawa
- Takeshi Gouda
- Hidetoshi Dekisugi
|Nobita Nobi||Megumi Ohara|
|Shizuka Minamoto||Yumi Kakazu|
|Suneo Honekawa||Tomokazu Seki|
|Takeshi Gouda||Subaru Kimura|
- This is the third Doraemon movie to be postponed due to the Coronavirus outbreak, after Doraemon: Nobita's New Dinosaur and Stand by Me Doraemon 2.