Check your local listings
Thanks to Christina and everyone else for this :)
I was on www.tvguide.com and found that Katherine Heigl will be on Crossing Over. Here is the information on it: I think it repeats the next day.
Crossing Over with John Edward
Katherine Heigl Reading
Katherine Heigl (“Roswell”) receives a reading that leads to a family reunion of sorts.
Monday March 4th 3:30pm CBS
Tuesday March 5th 3:30pm CBS