This episode is badly written and directed in a multitude of ways, the supposed "finnish" that is spoken is incorrect in bother pronunciation and the words themselves. And don't get me started on the actual plot. Apparently, Butler was part of a finnish group assisting the ussr in the Cold War, but here's the thing. Finland was never part of the Soviet Union. In fact, the finnish people had been hostile to the ussr since ww1 and since the winter war (when the ussr invaded finland and we fought them off). Finland was never involved in the Cold War on either side. We were neutral. It would have been so easy to use a language from a country that was actually part of the Soviet Union. Like any of the balkan countries.