Some footage of Willy and Barney preparing medical equipment is reused from Operation 'Heart' (1967), but the type of ambulance and its markings do not match the one seen in the rest of this episode.
After the IMF operation "switch", Colonel Hatafis asphyxiates a recuperating King Selim, but it is actually Prince Samandal made over to resemble the king. When he meets with the sheikhs he informs them that Prince Samandal is under guard, but in actuality he had no way to really "know" where the prince was.
In the initial briefing scene, the micro recorder Jim was listening to didn't have a capstan to regulate the speed of the tape causing the reels to spin to fast. There was no way the playback would have been understandable using this technology.