Updated with RCN, CNN comment.
Thursday night, an RCN customer in Boston tweeted the "Parts Unknown" show she'd tuned into on CNN had been replaced by some hard porn, and posted screen shots showing an RCN program guide for "Parts Unknown" overlaid on images of the porn.
Both RCN and CNN, however, deny that had happened.
Cybah, however, reports a friend of his saw the same thing on a Time-Warner cable system.
The user has since turned her Twitter account private.