The Ghost in the Lab: A Final Reckoning in "Felina" The series finale of Breaking Bad , " Felina " (Season 5, Episode 16), serves as a masterclass in narrative closure, transforming the high-octane tragedy of Walter White into a somber, methodical Western. Written and directed by Vince Gilligan, the episode provides a definitive end to the transformation of a high school chemistry teacher into the drug kingpin Heisenberg, allowing the protagonist to conclude his life on his own terms while finally admitting the selfish truth behind his descent. 1. Narrative Architecture and Symbolic Titles The title "Felina" operates on three symbolic levels: Breaking Bad finale review: Felina | Den of Geek