The BEST seasons of Countdown (2025)

Every season of Countdown (2025) ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Countdown (2025)!

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.