TV Asahi

Doraemon and his friends open a hole in time and travel to the country of Mayana, a lost Mayan civilization in the jungle. There, Nobita meets his perfect double, prince Tio, heir to the throne. The two decide to switch places to save the country of Mayana from the evil witch Ledina and her forces.

Nobi Nobita is a 4th-grade boy in Tokyo. One day, a round, blue cat-style robot (minus ears) pops up in his desk drawer. Nobita's great-great-grandson (or something) lives in the 22nd Century, but thanks to Nobita's mistakes, the entire family is living in poverty. To rectify this, Nobita's descendent sent Doraemon back to the past, to help prevent Nobita from making mistakes…

Second Doraemon movie released after Fujiko F. Fujio's departure. This is the third movie solely produced by Fujiko Production following Nobita's Parallel visit to the West (1988) and Nobita's Great Adventure to the Southern Ocean. This movie commemorates the 20th anniversary of Doraemon Movie. [Wiki]

To confirm that birds descend from dinosaurs, Dorami and her friends from the 22nd century use a time machine to go millions of years back in time. Source: ANN

After some short break Doraemon returned on air with changed staff.

When trying to flee from thugs in outer space, a boy named Ropuru warps his spaceship under dangerous conditions and ends up creating a rift in time and space. The breach opens a portal between Ropuru's spacecraft and Nobita's room. Doraemon and Nobita inevitably meet Ropuru and his small buddy Chammy. Quickly they all become friends. After fixing their ship, they end up going…

This episode is set in the future where the main characters from Doraemon are all grown up and have kids. Minidora (mini doraemon) accidently gets delivered to the Nobita's future house. The sons of Jyaiyan, Suneo and Nobita plays with Minidora with the special goods he brings out of his pocket. But trouble happens when they ran away from Dorami, who came to retrieve Minidora…

As a summer assignment, Nobita has to research the past of his town. Together with Doraemon, they use a gadget called time camera to take photos of the town sights from various time periods. To their great surprise, the last photo they take depicts Japanese folk hero Momotaro pulling a cart laden with treasure. Later, Nobita's mom encounters a foreigner who shows the kids a…