Space Ghost is terminally ill and will die when the show ends, but no-one see...
Space Ghost Coast to Coast
Season 5 Episode 5: Warren
Space Ghost grows angry upon learning that he has been 'imposternated' on Warren's television program, so he goes with Moltar and Zorak to confront him. Warren is actually a very bitter bush. We then meet an evil replica of Space Ghost, or is it Gary Owens...