On September 20, 1977, Gary Kurtz, Carrie Fisher, and Harrison Ford appeared on a French TV show, Spécial Cinéma, hosted by Christian Defaye. On May 16, 2014, Bertha Rand uploaded a video of Ford’s part in the interview. Here it is:

http://youtu.be/5SbGxjKc9jU

This clip is also available at Les Archives de la Radio Télévision Suisse.