The film playing in the cinema in 1973 Budapest is iconic film noir The Killers, 1946. Burt Lancaster is meeting Ava Gardner, and you can hear her say to him "I hate brutality, Mr Anderson. The idea of two men beating each other to a pulp makes me sick."
With 0.37 million viewers, this was the least watched episode in the series.
The uniforms of the 2 Colombian Army soldiers whom Doug takes on by himself are very well uniformed, if just a little dated. The military vest each one is wearing is not a replica but was the standard issued kit for many years until 2015 or thereabouts.
When this episode was first broadcast, USA Network had not yet made a decision on whether to renew the series or not. Ultimately, they decided not to go for a second season.