During a meeting in Mr. Carlson's office, Venus says that one of the reasons he came to work at WKRP was to work with Dr. Johnny Fever. However, in the pilot, Dr. Johnny Fever is a persona that was created on the fly by Johnny Caravella immediately after the format change, the same day that Venus arrives at the station.
Herb says "If I had know none of you were going to bring your wives I wouldn't have brought mine.", but the only other married person in the room is Carlton. Herb should know this.