Ed Begley Sr. is cast as Clint Watson, an old muleskinner friend of Ben Cartwright. Now an explosives expert, Clint agrees to help Ben transport a shipment of nitroglycerin to a flood site, with Clint's sons Andy (Tom Simcox) and Ellis (Richard Evans) providing assistance. What begins as a western replay of the French suspense film The Wages of Fear develops into the sad story of a stubborn man who is unable to love his two sons equally. Bing Russell, normally cast as Deputy Clem, is here seen as Sheriff Walker. Written by Thomas Thompson, "The Other Son" originally aired on October, 3 1965. ~ Hal Erickson, Rovi