
The movie is sort of a prequel to the entire series, it showed the life of Doraemon before traveling to the 20th century: How he was made, how he was partially broken, how he lost his ears, how he met the Nobi family and decides to return to the past to help Nobita.
Doraemon: 2112-nen Doraemon Tanjou is a Japanese anime of 4,732 characters, with 689 unique words and 246 different kanji. Its difficulty rating on Jiten is beginner, 0.8 out of 5. The full vocabulary list ranks all 689 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.