Conversation so far:
When was the start of Don Knott's later years?
In 1986, Don Knotts reunited with Andy Griffith in the made-for-television film Return to Mayberry
What did Don Knotts do in the Return to Mayberry film?
Don Knotts reprised his Barney Fife role in the Return to Mayberry film?
How did the Return to Mayberry film turn out?
Although Return to Mayberry was a ratings success, its critical reception was mixed
Are there any other interesting aspects about this article on Don Knott's besides his later career and the Return to Mayberry film?
TV writer Mark Evanier called him the most beloved person in all of show business.“
What did Don Knotts do on the show What a Country!?
In early 1987, Knotts joined the cast of the first-run syndication comedy What a Country!, playing Principal Bud McPherson for the series' remaining 13 episodes.

Question: How did the show do?
Self-contained rewrite: How did the show What a Country! do?