After "Smokey" was shot he claims not to feel his legs anymore. The medic Eugene says that he's paralyzed but when "Smokey" gets the plasma injected his right foot moves.
Towards the end of the episode, when Harry Welsh gets hit in the leg and Doc Roe patches him up Roe paints an 'M' on Welsh's forehead with his blood, both of Roe's hands are practically soaked with Welsh's blood. However, in the next shot, Roe's hands are perfectly clean again.
Yet another instance of a wounded solider being given morphine and the syrette being discarded. Whenever a morphine syrette was administered in the field the empty syrette was pinned to the solider's collar to prevent overdose, that way the doctors and nurses at the aid station and battalion hospital knew what dosage had been administered in the field.
When the second pair of P-47s strafes the Easy Company men who are standing in the open by the red smoke there are two lines of bullet strikes shown as the soldiers hustle back behind the tree line. The P-47 carried four .50-caliber machine guns in each wing, but they were not pointed directly ahead but were all angled inward to aim at a convergence point several hundred yards ahead of the airplane, so there should NOT have been two lines of bullet strikes OR two groups of four bullet strikes, but a wide stream of bullets striking the ground.
When Doc Roe is waiting to speak to the Major he looks away several times and you can clearly see the "whitening" make-up used to make him look sickly ends exactly at the collar line on his neck.
When Smokey shouts that he can't feel his legs he speaks British English. The actor's native language, whereas the character is American.
It's supposed to be freezing out but you never once see steam coming from the mouths of anyone when they are speaking, or breathing.
In one of the scenes with snow coming down in Bastogne, one of the soldiers has a fly on his helmet. Hardly likely in such frigid temperatures.
At the end when Doc Roe is returning and gives 'Babe' Heffron the bandage on his hand, he has a shadow on either side. The shadows are visible in the second shot in the woods just before he passes the two men talking and Winters' foxhole.
In the discussion between Doc Roe and Renée they first address each other with the formal and polite second person plural 'vous'. When they ask each others names Doc Roe shifts to using the informal first person singular 'tu' and 'toi'. When Doc Roe departs Renée speaks to him as 'vous' again. This would be unusual between two young people, who are on friendly terms with each other, and have already told their first names to each other.
Prior to the closing credits, and title card states "The story of 'The Battle of The Bulge' as told today is one of Patton coming to the rescue of the encircled 101st Airbourne". It's "Airborne".