NBC's supernatural mystery/horror drama Constantine was ordered to stop production after 13 episodes, but the network hasn't officially cancelled it, at least, not yet.
The show, based on the DC Comics character, is about a working class Liverpudlian sorcerer who travels around America solving mysteries involving monsters, ghosts, demons, black magic, and dark deeds in the hope of saving his own soul, which was damned when his arrogance turned an exorcism into a disaster.
The show was put in the Friday night death slot, but managed in just a few episodes, to find and grow an audience based mostly on generally positive word of mouth.
I've watched the show, and while not knowing the comics very well, I found it well made, and reminiscent of the X-Files at its peak, and I would like to see it continue since it just now seems to be finding both its sea-legs and its audience.
Right now the show is in a precarious position.
If NBC just cancelled it outright, DC/Warner Bros. could just move the show to the CW Network, where Arrow and The Flash seem to be doing very well. Or they could sell it a cable channel like AMC.
But right now, it's in a bit of limbo. By not cancelling it, NBC can block DC/WB from shopping it around because it's still, technically, NBC's show, and in television timing is everything.
If NBC doesn't order new episodes without actually giving it a formal cancellation, then the producers will have no choice but to release the actors, writers, and other staff from their contracts so they can find new jobs. The longer the wait, the harder it gets to find a slot on another channel, and any momentum the show has fizzles out, and the show dies on the vine.
I hope that NBC renews the show, since they canned Community, Constantine and Hannibal are the only shows they run that I watch. So I hope DC/WB uses it weight to tell NBC to shit or get off the pot.