The cop drama, starring Dylan McDermott, averaged 2.25 million viewers in its second season. That's significantly below the network's other series; The Closer averaged 7.21 million viewers last season and new drama Rizzoli & Isles averaged 6.89 million.
Even Hawthorne, the least-buzzed about of the network's shows, averaged 3.09 million viewers.
Dark Blue was executive produced by Jerry Bruckheimer.
A rep for the series did not immediately respond to TVGuide.com's request for comment.