Captions now play from the Amara API. All videos show the same caption though.

lms/static/coffee/src/modules/video/video_caption.coffee

@@ -17,7 +17,8 @@ class @VideoCaption
       .bind('DOMMouseScroll', @onMovement)
 
   captionURL: ->
-    "/static/subs/#{@youtubeId}.srt.sjson"
+    "http://www.universalsubtitles.org/api/1.0/subtitles/?video_url=http://www.youtube.com/watch?v=69rDtSpshAw"
+    # "/static/subs/#{@youtubeId}.srt.sjson"
 
   render: ->
     @$('.video-wrapper').after """
@@ -30,10 +31,19 @@ class @VideoCaption
     @fetchCaption()
 
   fetchCaption: ->
-    $.getWithPrefix @captionURL(), (captions) =>
-      @captions = captions.text
-      @start = captions.start
-
+    $.ajax
+      dataType: 'jsonp' 
+      url: @captionURL()
+      success: (captions) =>
+        # We take the captions that are each in a dictionary with a key,
+        # and create two arrays. One with all the start times, and one with
+        # all the texts. Their indices correspond.
+        @captions = []
+        @start = []
+        record = (single_caption) =>
+          @captions.push single_caption.text
+          @start.push single_caption.start_time * 1000
+        record single_caption for single_caption in captions
         if onTouchBasedDevice()
           $('.subtitles li').html "Caption will be displayed when you start playing the video."
         else