Plot hole: All those years in the spy biz as U.N.C.L.E.'s very famous top agents, and Solo and Illya are still able to successfully go undercover with little or no disguise. Here, all Illya needs is a phony mustache and an even phonier accent. And of course (gotta love it), the Thrush bad guys still don't recognize him. (00:49:00)Jean G
Nigel Pennington-Smythe: You must be an old hand at this.
Napoleon Solo: Actually, I'm new at this... again.
Nigel Pennington-Smythe: What are you doing?
Illya Kuryakin: Trying to get an explosive cap out of my boot heel, so I can blast the pipe apart so we can get out of here.
Nigel Pennington-Smythe: Why would they put the explosive cap in your shoe? You'll never get it with us hanging by these handcuffs from the pipe. You'd think somebody would have thought of a better spot to put it.
Illya Kuryakin: Well, that's progress I guess?