Second season of T.P BON.

An ordinary high school student named Bon becomes part of a team of time-traveling agents tasked with saving people's lives during historical events that happen across different eras and locations around the globe. (Source: Netflix)

One morning, Nobita learns about the mysterious happenings on the Moon, where he tells his classmates that it was the Moon Rabbit, but nobody believes him. He tries to prove by imitating the rabbits by making ricecakes and hits his teacher in the process, where he gets punished. When Nobita tells Doraemon about this, who relucantly takes out Divergent View Badge gadget and creates an atmosphere on the Moon. Using the animal clay, they creates Moonbit and returns to their home. Later, Nobita's mother tells him to bring Susuki grass for Moon Viewing Ceremony, where he sees a boy and calls him, but the boy suddenly disappeares. The next day, a new student named Luca arrives, and Nobita gets surprised to see that it is the same boy he had seen yesterday. (Source: Wikipedia)

Doraemon and friends run away from their home and travel back in time to the 70,000 years ago where nobody existed to build their ideal private paradise. After they fully relished the freedom in the era, Doraemon and friends bid farewell to their paradise and come back to the present day. However, a few days after they came back home, Doraemon and friends bump into a caveman called Kukul in the current era. They find out that the caveman Kukul was accidentally transported forward to the present, and that his tribe called Hikari tribe was attacked and abducted by Giga Zombie and Kurayami tribe after Doraemon and friends left the primitive age. Doraemon and friends decide to go back to the primitive age to save Hikari tribe from the villain. They dive into a grand adventure during their first and the furthest runaway. (Source: Toho)