+        # Table of Contents seems to always be at this address, so fetch it directly.
+        # The website fetches configurationJS.php5, which links to tableOfContentsJS.php5.
+        table_of_contents = self._download_json(
+            'https://www.wdrmaus.de/elefantenseite/data/tableOfContentsJS.php5',
+            display_id)
+        if display_id not in table_of_contents:
+            raise ExtractorError(
+                'No entry in site\'s table of contents for this URL. '
+                'Is the fragment part of the URL (after the #) correct?',
+                expected=True)
+        xml_metadata_path = table_of_contents[display_id]['xmlPath']
+        xml_metadata = self._download_xml(
+            'https://www.wdrmaus.de/elefantenseite/' + xml_metadata_path,
+            display_id)
+        zmdb_url_element = xml_metadata.find('./movie/zmdb_url')
+        if zmdb_url_element is None:
+            raise ExtractorError(
+                '%s is not a video' % display_id, expected=True)
+        return self.url_result(zmdb_url_element.text, ie=WDRIE.ie_key())