|Season 6, Episode 1|
|This City is Our Birthright||Looking Too Closely|
TO CLEANSE MAN- Frustrated at how his efforts to push Bruce into becoming the Dark Knight keep bumping into resistance, Ra's al Ghul sends Mary Seward to search for a catalyst he can use for that very purpose- one that spells doom for the remaining inhabitants of Gotham City. Oswald finds Ed and Jim discovers an old friend has infiltrated the quarantine.
- Ben McKenzie as Jim Gordon
- Donal Logue as Harvey Bullock
- David Mazouz as Bruce Wayne (credit only)
- Sean Pertwee as Alfred Pennyworth (credit only)
- Robin Lord Taylor as Oswald Cobblepot
- Erin Richards as Barbara Kean
- Camren Bicondova as Selina Kyle (credit only)
- Cory Michael Smith as Edward Nygma
- Jessica Lucas as Tabitha Galavan
- Chris Chalk as Lucius Fox (credit only)
- Crystal Reed as Sofia Falcone
- with Anthony Carrigan as Victor Zsasz
- and Alexander Siddig as Ra's al Ghul
- Shane West as Edmund Dorrence
- Troian Bellisario as Mary Seward
- Peter McRobbie as Holden Pritchard
- Francesca Dodson-Root as Ecco
- Antagonists: Ra's al Ghul (Earth-13), Ecco, Mary Seward
- Bruce, Alfred, Selina, and Lucius do not appear in this episode.
- This episode is Ra's-centric.