Spleenrippa
Yes, Right There
Sorry, but even in American English the plural of 'film' is 'films', as in how many films did you see last year?
In reference to movies, perhaps...
But if we use 'films' in reference to MF or 35mm, and you ask someone, "how many films are in your fridge right now?" Aren't they going to be a bit confused as to whether you're asking about the number of rolls or different brands of film?