According to http://heatherw.com/mk/sch.htm and the USFS' site at http://www.usfigureskating.org/Event_TV_Schedule.asp
*All Times Eastern*
Thurs Jan. 13 11p-1a Nationals (Pairs Short, Original Dance, Mens & Ladies Previews) ESPN2
Fri. Jan. 14 10:30p-12:30a Nationals (Ladies and Mens Short) ESPN2
Sat. Jan. 15 4-6p LIVE Nationals (Mens Long--LIVE; Free Dance) ABC
Sat. Jan. 15 8-11p LIVE Nationals (Ladies Long--LIVE; Ladies Short, Pairs Long) ABC
Sun. Jan. 23 1:30-3:30p Nationals (Exhibitions)
*All Times Eastern*
Thurs Jan. 13 11p-1a Nationals (Pairs Short, Original Dance, Mens & Ladies Previews) ESPN2
Fri. Jan. 14 10:30p-12:30a Nationals (Ladies and Mens Short) ESPN2
Sat. Jan. 15 4-6p LIVE Nationals (Mens Long--LIVE; Free Dance) ABC
Sat. Jan. 15 8-11p LIVE Nationals (Ladies Long--LIVE; Ladies Short, Pairs Long) ABC
Sun. Jan. 23 1:30-3:30p Nationals (Exhibitions)