Gunsmoke

When another Doctor shows up in Dodge promising lower Doctor's fees and miracle cures, Doc gets angry and and many Dodge citizens think Doc Adamas has quit as Dodge's doctor. When Doc comes up missing, Matt looks for Doc and finds him fishing outside of Dodge. Doc tells Matt that he thinks the new Doctor is nothing but a quack. Doc Adamas believes the new Doctor is a quack. Doc's beliefs are later proven to be true when the new Doctor's medical treatments amost kill a young boy.