S04E15.Sarin, Cult Leader & the Rise of Aum Shinrikyo

This episode covers the rise of Aum Shinrikyo and its leader Shoko Asahara, the 1995 Tokyo subway sarin attack, the arrests and death sentences, and the group's later rebranding as Aleph.

It also tells a second story from Mexico about Ramón, a graveyard caretaker who is mysteriously helped by a ghost after lighting a candle, highlighting different cultural beliefs about spirits and unexpected acts of kindness from the beyond.