The Rat Patrol (1966)

S1E4 The Kill or Be Killed Raid

Dietrich receives a fragment of ancient parchment revealing the location of a hidden water source in the desert. In response, allied intelligence dispatches Moffitt to retrieve the map before it can be deciphered, requiring him to pose as a German. Troy is instructed to shoot Moffitt if he locates the information and cannot make his escape. Unfortunately, the situation unfolds precisely as predicted. Troy is left grappling with the agonizing choice of either killing his ally and friend or defying orders to save the mission.