I looked up Nancy's schedule on tv-now.com and it listed this:

Category 6: Day of Destruction, Part 1
Directed by Dick Lowry. Starring Nancy McKeon, Thomas Gibson, Brian Dennehy, Dianne Wiest, Randy Quaid.

Chicago residents deal with a national blackout just as three separate weather systems collide over the city. 120 minutes- USA, 2004, Premiere, (DVS), (CC), Part 1 of 2, In Stereo

Sun Nov 14 09:00P on CBS Network

Category 6: Day of Destruction, Part 2
Directed by Dick Lowry. Starring Nancy McKeon, Thomas Gibson, Brian Dennehy, Dianne Wiest, Randy Quaid.

Chicago residents deal with a national blackout just as three separate weather systems collide over the city. 120 minutes- USA, 2004, Premiere, (CC), (DVS), Part 2 of 2, In Stereo

Wed Nov 17 08:00P on CBS Network

so I guess it's not called Overload anymore