You are not the only one. I have several co-workers who can recite line by line sketches from the show. Apparently the show made a very large impression on most tv viewers of that era. Knott's character Barney Fife is viewed by me and my co-worker AGS fans as the funniest single character in tv comedy history. And Howard Morris's Ernest T. Bass is my alltime favorite recurring character.
My late mother loved "It's me, it's me, it's Ernest T." also. I didn't quite share y'all's enthusiasm about him tho.
In fact, when Dennis Weaver passed away, I was thinking of Festus, the character who came after Weaver's "Chester," and I had Ken Curtis mixed up in my memory with Howard Morris as Ernest T. Bass.