Countdown
When an officer with the Department of Homeland Security is murdered in broad daylight, LAPD detective Mark Meachum is recruited to a secret task force, alongside undercover agents from all branches of law enforcement, to investigate. But the hunt for the killer soon uncovers a plot far more sinister than anyone could have imagined, kicking off a race against time to save a city of millions.

Season 1 · Episode 8 ·
The Nail in the Chair
The team races to try and catch Volchek as he begins to deploy his weapons of mass destruction around Los Angeles.
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Episode 8 of season 1 of Countdown: “The Nail in the Chair”. Aired 2025-07-30. Watch it online free on ZapFlix.