Will Comedy Central, Nickelodeon and Viacom go dark for AT&T's DirecTV subscribers?
Viacom warned AT&T's DirecTV subscribers that they may lose access to 23 channels if a dispute over fees isn't resolved before the contract expires.

Viacom warned AT&T's DirecTV subscribers that they may lose access to 23 channels if a dispute over fees isn't resolved before the contract expires.