CBS&rsquo; &ldquo;Hawaii Five-0&rdquo; has its work cut out as the second show of the second season debuts Monday (Sept. 26). After all, its sophomore season premiere last Monday must have been  shocking disappointment, especially for diehard fans of the Hawaii-filmed procedural.
Reason: &ldquo;Five-0&rdquo; was a step behind ABC&rsquo;s &ldquo;Castle&rdquo; in the 9 p.m. timeslot here [...]