I wonder if the person who drew this had ever seen what Bo and Luke look like, or were they just described over the phone. On another issue, I never understood why all the models of Cooter's tow truck have an all red rear section. The inside was red, but the outside was mainly white. It was 'Witness for the Persecution' from season 2 that originally aired in the US on November 16, 1979. The two-part Dallas that aired the same night was from season 3, and imaginatively titled 'Mastectomy'.