: It is highly recommended to watch both The Semi-Final episodes before the movie to understand the character reunions and the state of Edo.

"Gintama: The Final Episode 1" likely refers to the first part of the two-episode special titled , which serves as the direct prequel to the series-concluding movie, Gintama: The Very Final . Gintama: The Semi-Final (Episode 1)

: You can find the concluding movie on Crunchyroll .