public function findBoard(TvShow $tvShow)
 {
     $this->logger->writeln('Suche Board für ' . $tvShow->getTitle());
     $ids = $this->getBoardIds();
     $t = mb_strtolower($tvShow->getTitle());
     if (!array_key_exists($t, $ids)) {
         $e = new SubcentralTvShowNotFoundException('TvShow: "' . $tvShow . '" wurde auf Subcentral nicht gefunden! (boardIDs)');
         $this->logger->writeln($e->getMessage());
         throw $e;
     }
     return $ids[$t];
 }