my bad, thought the language defaults in the query to all not to english, however I assume the xbmc scraper sets the query language according to the settings in xbmc and so it cant get any results.
I assume it would be possible to set eg. 3-5 prefered languages and that scraper would try if no result is found in the primary language.
eg: languages: 1: en, 2

e, 3:fr
so if no result is returned for /api/GetSeries.php?seriesname=QUERY&language=en it tries /api/GetSeries.php?seriesname=wir+sind+kaiser&language=de and so on.
mmh, don't see right now were the matching hook would be. since the new scraper format not in the tvdb-part but more in the scraper framework....
edit: for me the workaround is to add an english entry for the tv shows in question