Ironic, as Avatar is about a man with a disability.

Now that the thrust of the holiday movie season is upon us, let’s talk about something not so cheerful: Going to a film and not being able to hear it. Thousands of people who are deaf or hard-of-hearing miss out because they can’t follow dialogue on the big screen.

Big chains like AMC Entertainment and Regal Entertainment, having been sued countless times for not having captioning systems, have agreed to settle lawsuits by installing some caption systems, in some cities. As a result, some U.S. movie theaters have this technology in place.

The bigger nut to crack is finding a particular film, when you want it, where you want it.