Laughing Gas The meanest man in Tannochbrae is Mr. Cogger. When Dr. Finlay is called out to visit Cogger's housekeeper he finds that her trouble is an ailment of the pay-packet. He gives her cheeseparing employer a simple piece of advice. Details Casts Posters Season Lists Title Laughing Gas Genres Drama Comedy Release Date 1965-02-21 Episode Runtime 00 Hours 50 Minutes Season Number 3 Episode Number 8 Production Companies Unknown Bill Simpson... Dr Alan Finlay... Andrew Cruickshank... Dr Angus Cameron... Barbara Mullen... Janet MacPherson... Original Size (1000x1500) Season 1 12 Episode(s) 1962-08-16 Season 2 40 Episode(s) 1963-09-05 Season 3 26 Episode(s) 1965-01-03 Season 4 26 Episode(s) 1965-11-21 Season 5 19 Episode(s) 1966-12-25 Season 6 26 Episode(s) 1967-10-02 Season 7 26 Episode(s) 1969-03-09 Season 8 16 Episode(s) 1970-09-13