The Mike Douglas Show was, apparently, an afternoon chat show on US television in the 1970s. On 20 July 1977 Mike's guest were the stars of the blockbuster new film, Star Wars: Carrie Fisher, Harrison Ford and Mark Hamill. (Also appearing as Douglas's co-host for the week, "John-Boy" Richard Thomas.)
It's remarkable how much more willing Harrison Ford was to talk to the media in 1977 than he later became. Also remarkable are Mark Hamill's trousers.
Here is the interview in two parts.