After Sara's encounter with Mallus, the Legends are paid a visit by John Constantine, a demonologist detective. The Legends agree to accompany him to a present-day psychiatric hospital and they are surprised to discover who Constantine is trying to help. During the exorcism, Sara, Leo and Constantine go missing, leaving Ray and Zari to try to take care of Constantine's client. Meanwhile, Amaya and Nate once again come face to face with Kuasa.
Elenco: Caity Lotz , Amy Pemberton , Dominic Purcell , Nick Zano , Tala Ashe , Brandon Routh , Maisie Richardson-Sellers , Jes Macallan , Matt Ryan , Olivia Swann , Victor Garber , Franz Drameh , Arthur Darvill , Adam Tsekhman , Shayan Sobhian , Lisseth Chavez , Matt Letscher , Ciara Renée , Ramona Young , Wentworth Miller , Courtney Ford .