DWTS SEASON FINALE TRIPS UP

It’s hard to call any TV show that attracts 19.5 million viewers a disappointment, but that’s the case with entertainment reporters’ assessments of Tuesday night’s season finale of Dancing with the Stars. That figure, most of them noted, represented the smallest number of viewers to watch a fall finale of the dance contest to date. (Monday night’s performance telecast drew more viewers — 20 million.) Among adults 18-49, the key demographic group for advertisers, ratings for DWTS were down 23 percent from a year ago. A factor in the diminished ratings was that for the first time the show aired opposite Fox’s The X Factor, which averaged 9.3 million viewers. Its ratings, too, were down from a week ago (but in the 18-34 demo, it beat DWTS). CBS also saw its strong lineup of NCIS, NCIS: Los Angeles, and Unforgettable take a hit. Its overall ratings for the night were down 11 percent from last week.