Combat! (1962)

S5E21 The Masquers

In a tense atmosphere where allies and enemies are indistinguishable, Germans disguise themselves as Allied soldiers to sow confusion. Kirby finds himself cut off from his unit and ends up confronting Driskoll, an American GI who mistakenly believes Kirby is a German infiltrator. The situation escalates as Kirby tries to prove his identity while navigating the dangerous environment around them.