Agatha Jones is the mother of Alfred Jones and the aunt of Montana Jones. Living in Boston during the 1930s, she runs a restaurant featured within the series. Montana Jones works at this establishment to fund repairs and maintenance for his airplane, Ketty. Agatha appears in episodes 1-8, 10, 12-13, 15-18, 23, 24-28, 33-34, 38-39, 45, and 51-52. Details about her physical appearance, personality, specific actions in individual episodes, background story, character development, and appearances in other media formats beyond the listed episodes are not provided. Her involvement in plot developments centers on her familial relationships and restaurant ownership.