For the fourth consecutive week of season two, CBS&rsquo; &ldquo;Hawaii Five-0&rdquo; has been playing second fiddle to ABC&rsquo;s &ldquo;Castle&rdquo; in Monday night viewership (Oct. 10).
With football and baseball affecting primetime viewership, the Hawaii-filmed  procedural has fumbled and lost ground, dropping 19 per cent in Monday&rsquo;s preliminary Nielsen ratings, with a 9.74 million viewership and [...]