The New World (S04E01)

Oswald Danes, a convicted child murderer, faces execution for his heinous acts. However, in an unexpected turn, he survives the lethal injection, triggering a chain of events that compels CIA Agent Rex Matheson to delve into a worldwide phenomenon. Rex's quest takes him from the United States to Wales, where he uncovers the remnants of the now-defunct British organization, Torchwood.