Did Jim Nabors ever act on a television show without using his accent gimmick?

Yes, Jim Nabors did act on television without his signature accent gimmick. While he is best known for his role as Gomer Pyle on "The Andy Griffith Show" and "Gomer Pyle, U.S.M.C.," he also appeared in other productions where he portrayed characters more aligned with his natural speaking voice. For instance, he guest-starred on shows like "The Carol Burnett Show," where he showcased a more straightforward performance without the exaggerated Southern accent.