'Constantine' may move to Syfy under the 'Hellblazer' title. Constantine may survive its rating slump by moving to Syfy. 'Constantine' NBC: Finale Plot Revealed, What Characters Will Return In 'Waiting For The Man'? The NBC series failed to receive a 22-episode order for it's freshman season, and while that doesn't necessarily mean it will be axed following it's 13-episode run, the DC adaptation is keeping it's option open.