Utilizing a dangerous and untested method of time travel, a man from the post-apocalyptic future, James Cole, travels to the present day on a mission to locate and eradicate the source of a deadly plague that will decimate the human race. But as he and virologist, Dr. Cassandra Railly, track the mysterious cult behind the outbreak, the 'Army of the 12 Monkeys', the effects of time travel threaten to destroy humanity's last hope.

Since WWII, Calvin Barr has lived with the secret that he was responsible for the assassination of Adolf Hitler. Now, decades later, the US government has called on him again for a new top-secret mission. Bigfoot has been living deep in the Canadian wilderness and is carrying a deadly plague that is now threatening to spread to the general population. Relying on the same skills that he honed during the war, Calvin must set out to save the free world...

The world has been caught in an epidemic that killed all of the Earth's population. A father and his child begin to navigate this new landscape which is no longer hospitable or safe. Along the way, he must fight off dangers that threaten the family as well as a lack of moral compasses in others they meet. It's a journey of survival that leads to treacherous territories and the ultimate quest.

It's 1666, and England is in the grip of the Great Plague. But when the Doctor and his companions arrive, they discover an even greater threat: the entire planet is in danger. As the Grim Reaper stalks the countryside, the Doctor uncovers an alien menace intent on wiping out humanity and claiming our planet for themselves. The Terileptils have arrived, and only the Doctor can stop them.