Heroes: 12/4/06 --> 1/22/07
and then 3/4/07 --> 4/23/07

House: 9/26/06 --> 10/31/06
and then 12/12/06 --> 1/9/07 --> 1/30/07
and then 2/13/07 --> 3/6/07 --> 3/27/07

Studio 60: 12/4/06 --> 1/22/07
and then 2/19/07 --> ???

Office: 2/22/07 --> 4/5/07


I assume that these long breaks are done so actors can film movies. If that's not the case, then that's completely unacceptable. By the time the show comes back, most people have lost interest.