Doraemon the Movie: Nobita's Sky Utopia | (2023) | DoraemonTheMovie

Nobita dreams of finding a perfect world, a true Utopia, together with Doraemon and his friends, he discovers Paradapia, an ideal city governed by three sages and guarded by Sonya, a flawless humanoid cat robot. While enjoying their new life, the group is approached by Marimba, a time-traveling bounty hunter, who reveals that Paradapia is actually a brainwashing facility created by Dr. Ray to control people's minds. Nobita resists the brainwashing and helps his friends break free. Together, they stop Ray's plan to control humanity through brainwashing, and Sonya sacrifices himself to contain the collapsing Paradapia. In the end, Ray is arrested, and Later, Doraemon finds Sonya's memory module and uses it to revive him, offering hope for their reunion.