When Kiera and Carlos investigate two mysterious murder-suicides, they quickly realize that both may be the result of a lethal computer program turning video game programmers into killers.

Olivia continues to cope with the ominous warning from the Observers, while Peter and the team track a girl with the mysterious ability to predict death.

A mysterious drone crashes into Atlantis, indicating that the Replicators may have found the city. But when Elizabeth Weir appears, the team realizes that the probe is just a part…

Apollo assists in the search for a missing Raptor team as the new commander of the Pegasus grows increasingly unstable.

Dean interrogates a college student after the death of Dr. Greggs. Bobby, Sam and Dean all discover the truth behind the fatal death when they all get locked in a…