Cities of the Underworld (2007)

Season 3: Episode 1

Jack the Ripper terrorized the city with his gruesome slaughters. Secret pagan societies raised Hell. Thieves made a killing stealing fresh corpses. London's streets ran red with blood, and it seeped into the underground. It was a city filled with disease, misery and chaos, making it ripe for grisly murders and horrific rumors to spread like the plague. Tales of witches and killers, the Antichrist and pagan rituals filled the city... but behind every ghost story is the terrifying truth of what happened here. From creepy caves scrawled with warnings of witches to the sewers and crypts where murderers and thieves lurked beneath the city streets, London's underground is hiding dark secrets and clues to the bloody truth.