In case anyone still cares, which seems doubtful because I didn't see this posted yet, here's the segment of the Dick Show from two weeks ago where Nick blackballed Ralph from calling into the show. (41 minutes in if it doesn't start at the right point)
Nick mocks the idea that he had vetoed Ralph coming on, which prompts Dick to excitedly pick up his phone to tell Ralph to call in. Nick then publicly says he didn't want Ralph coming on.
In fairness to Nick, Dick may have told Ralph that Nick didn't want Ralph on the show without actually asking him, since Nick seemed genuinely surprised at being accused of blackballing Ralph seconds before he actually blackballed him.
This is reminiscent of what happened last year, when Nick played dumb about why Ralph had dropped out of Elijah and Sydney's podcast. His façade was destroyed at that time when a stupid fat drunkard let slip that Nick had already agreed to secretly walk out, Jerry Springer style, to confront Ralph. The difference is that in a post-Hedonism II environment, it's Nick ducking out from engaging with Ralph rather than the opposite.
You may want to stay after the end of that portion of the show, because immediately afterwards Dick then replays the full clip of Branca freaking out at him and demanding he shows his face. Not only is this hilarious on its own, there's added value in Nick sitting in totally awkward silence as Dick and Sean roast Branca.