It's that time of year, when our favorite TV shows go one winter break. There's a sudden flood of fall finales, so while most will be back in a few weeks/months, don't be surprised when your DVR is looking a little thin next week. Look below for the highlights this week, followed after the break by our weekly listing of what to look out for in TV, Blu-ray and videogames. Syfy 20th Anniversary Special Love it or hate it, the network formerly known as Sci Fi celebrates 20 years on the air tonight. The stars from some of its most loved shows will be stopping by to talk sh