How did Chester Goode leave Gunsmoke How was he written out of the script?

Chester Goode, portrayed by Dennis Weaver, left "Gunsmoke" after the show's ninth season. His character was written out in the episode titled "The Disciple," where Chester decides to leave Dodge City to pursue a new life and take care of a sick family member. This departure allowed the show to transition to new characters and storylines while still paying tribute to Chester's legacy as a beloved character.