3 episodes
First episode: E1

Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
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3 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
Cold Case: The Tylenol Murders first aired on May 26, 2025.
Cold Case: The Tylenol Murders currently has 1 season and 3 episodes.
Cold Case: The Tylenol Murders is ended, and no upcoming episode is currently scheduled.