Editor's Note: The following contains spoilers for Season 1, Episode 10 of CountdownFor most of Countdown’s first season, it’s been established that Jensen Ackles' Mark Meachum is going to die.

Jeffrey is a freelance features writer at Collider. He is an MPA-accredited entertainment journalist and a Tomatometer-approved critic based in the LA area. He graduated from the University of Texas ...

Countdown has reached that stage where viewers have everything figured out even before an episode has aired. And the last thing you want for an episode like Countdown Season 1 Episode 10 is for it to ...

Jensen Ackles, Eric Dane and Jessica Camacho lead Derek Haas' 13-episode race to save L.A. from a nuclear attack. By Daniel Fienberg Chief Television Critic The 10th and last episode of Countdown that ...