Old Man of the Mountain - S1.E45

M.A.D. has abducted a prominent seismologist, who is coerced by Dr. Claw to construct a machine capable of generating deadly earthquakes upon the world. Gadget's case takes him deep within the Rocky Mountains, where his misadventures are compounded by a M.A.D. ranger agent and a grizzled, gold-crazed prospector.