User blog comment:Rassilon of Old/December 2011 episode details/@comment-3465526-20111217211001

Do you kids WATCH television? Yeah, no new "House" or "Castle" between Christmas and New Years, its all reruns. Sorry, "Psych" will will return next February. Aside from the Christmas special we should see new Doctor Who next summer. There will be a total of three new episodes of "Sherlock" in 2012.

Yes there are hiatuses (hiati?) in shows to show reruns during times when audience dependency is low and ad dollars are being spent on specials. I promise everything will be new in February because that's the second sweeps period for the year -- sweeps is the time when the ratings agencies measure how many people are watching so the network can set advertising rates. More viewers in February means more dollars per minute to the Network, so they save new episodes to build viewers going into February and put big events like Young Justice Season Finale in February (if they think it will get more viewers than a "Star Wars" or "Ben 10" rerun).