Thanks for the help. When I view the source of the page I linked to, I don't find the same info as you. Is it because we are in different locations that we're not seeing the same URL for the player? For me it is:
http://player.pbs.org/partnerplayer/...r=true &end=0
...which contains a link to an XML subtitle file:
http://ga.video.cdn.pbs.org/captions...7_Encoded.dfxp
I am not finding any .srt files. Strange.
EDIT: Okay, I just noticed you used the main PBS page, not the WGBH one. Now I'm seeing it.