Mackenzie's Raiders - 1x35 - Missing--Presumed Dead (aka Captured in Mexico)- Followmy.tv

Although six months of searching has failed to turn up any evidence regarding two troopers who disappeared during a raid in Mexico, Colonel Mackenzie is convinced they are still alive. Trooper Williams, one of the missing soldiers, manages to escape from the silver mine where he has been held captive and is rescued, but suffering from amnesia, Williams can't retrace his steps to lead the Fourth Cavalry to the other missing soldier.