How Did King of the Hill End on Fox?

The end of Fox's King of the Hill happened twice - first on the network itself and then in syndication. Which episode was the intended series finale?

Two HUGE more acquisitions to my never ending hunt for King of the Hill production work. I could not be more thrilled. Santa ran a little late but thankfully he came through.

The Ending Of King Of The Hill Explained

King of the Hill: FOX Cancels Animated Show, No Season 14 - canceled + renewed TV shows, ratings - TV Series Finale

King of the Hill's Long-Anticipated Revival Will Not Air on Fox

King of the Hill - Rotten Tomatoes

keep it clean, King of the Hill

Fox in 'Preliminary Conversations' to Revive 'King of the Hill

The final scene from King of the Hill

King Of The Hill Revival Won't Air On Fox