 Three separate episodes ("Edinburgh" in series 1, "Paris" in series 3 and "Timbuktu" in series 4) revolve around First Officer Douglas Richardson's attempts to steal 25-year aged Talisker whisky rightfully belonging to the wealthy regular passenger Mr Birling, and it is also mentioned in several other episodes.In the movie "Charlie Wilson's War", CIA agent Gust Avrakotos presents US Rep. Wilson a bottle of Talisker.The agent explains to Charlie the scotch is mentioned in a Robert Louis Stevenson poem, "The Scotsman's Return From Abroad".