Set to premiere on NBC on April 4, Bryan Fuller's upcoming "Hannibal" series has debuted a first trailer that you can check out in the player below, courtesy of EW.

The pilot is directed by David Slade and the series is said to explore the early days of Hannibal Lecter (Mads Mikkelsen) and the working relationship he had with FBI agent Will Graham (Hugh Dancy) before it turned sour.

"Hannibal" will also feature appearances by Gillian Anderson and Lance Henriksen.