When does Elena come back in the 8 season?

Elena Gilbert returns in Season 8 of "The Vampire Diaries" during the series finale, titled "I Was Feeling Epic." Her character reappears in the final episode when the main characters are shown in a flash-forward, during which she reunites with Stefan Salvatore. This moment is significant as it provides closure for her character and her relationships. Elena's return is tied to the series' themes of love and redemption.