Gareth David-Lloyd (left), John Barrowman (middle) and Eve Myles (right) return as paranormal protectors known as Torchwood in the new mini-series "Torchwood: Children of Earth."

"Torchwwod: Children of Earth" airs Monday, July 20 through Friday, July 24, 9:00 p.m. ET/PT on BBC America.

(BBC America)