The Andy Griffith Show (1960)

S04E25 Divorce, Mountain Style

Charlene Darling makes her way back to Mayberry and reveals that she has ended her marriage, leading to a local tradition that stipulates she must wed Andy. In a panic to escape this unexpected obligation, Andy delves into mountain legends and uncovers an odd ceremony that could nullify the marriage, provided he can persuade Barney to mount a horse.