During the interview, Ackles noted that he had finished filming Countdown four days ago and that he arrived in Toronto a day ago to start work on the fifth and final season of The Boys.

Supernatural alum Jensen Ackles has been tapped to headline Prime Video's Countdown, an upcoming 13-episode thriller drama series from showrunner Derek Haas (One Chicago). Deadline reported that ...

That's a wrap on Jensen Ackles' upcoming Prime Video series, Countdown. After 6 months of filming, the actor is happy to reveal that his new action series has made a major step towards our screens.