The best TV picks for the week ahead

On Friday, NBC debuts a new drama based on the DC Comics “Hellblazer” series – “Constantine” (10 p.m.), which stars Matt Ryan as a retired demon hunter and master of the occult with a damned soul. To save his own soul, he’ll have to return to his dark work. Harold Perrineau (“Lost”) plays his guardian angel. “Happiness Is a Warm TV” correspondent Adrienne Johnson reviewed this for us and found it lacking. The pilot, she said, doesn’t tell us enough about John Constantine to make us invest in his story.

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