6 episodes
First episode: E1

This shadow war has many players.
Milan, 2030: Diana Cavalieri is a double agent for the secret syndicate Citadel, who infiltrated Manticore, the rival agency that destroyed Citadel eight years ago. Trapped behind enemy lines, Diana has a chance to leave the agency forever, but she has to decide whether to trust a surprising ally: the heir of Manticore Italy, Edo Zani.
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6 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
Citadel: Diana first aired on October 10, 2024.
Citadel: Diana currently has 1 season and 6 episodes.
Citadel: Diana is canceled, and no upcoming episode is currently scheduled.