When does Countdown return?

Countdown is an upcoming American crime drama television series. It is set to be released on Amazon Prime Video on June 25, 2025. The 13-part series from Amazon MGM Studios was created by Derek Haas, who is also an executive producer and the series showrunner. Jensen Ackles was confirmed as part of the cast in June 2024. Eric Dane and Jessica Camacho joined the cast.