"Wraith" is an episode in The Walking Dead that could have served as the series finale. The episode showcases the intense emotions and conflicts faced by the characters, particularly Rick Grimes and Negan. The title "Wraith" in itself suggests a sense of vengeance and anger, which are central themes in the episode. The episode's climax, where Rick and Negan face off in a brutal showdown, could have been a fitting conclusion to the series as it brings closure to their long-standing rivalry. Additionally, the episode explores the theme of redemption as Negan reflects on his past actions and seeks forgiveness. Overall, "Wraith" captures the essence of The Walking Dead and could have provided a satisfying ending to the series.