I think Fuller mentioned that Will's hospital attendant admirer replaced the original plans for Barney's first appearance. Personally I think Barney makes more sense as a character once Hannibal is incarcerated.

"Free range rude" is definitely a callback to the books. As is "discourtesy is unspeakably ugly to me".

You must have missed the Bega Interlude.

"Jack? It's Miriam. I don't know where I am."