When did Frontline Season 42 Episode 21 air?
Frontline Season 42 Episode 21 aired on December 12, 2023.


Since it began in 1983, Frontline has been airing public-affairs documentaries that explore a wide scope of the complex human experience. Frontline's goal is to extend the impact of the documentary beyond its initial broadcast by serving as a catalyst for change.

How a young Air National Guardsman allegedly leaked classified documents onto the Discord chat platform. With The Washington Post, FRONTLINE examines Jack Teixeira’s alleged leak of national security secrets, why he wasn’t stopped, and the role of platforms like Discord.
Direct answers for episode-level questions and details.
Frontline Season 42 Episode 21 aired on December 12, 2023.
This episode runs for approximately 54 minutes.
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