- "Congratulations. He's perfectly healthy."
- —Dr. Roberts about Chris
The Charmed Ones disrupted the balance between both their universe and the one prevailed by evil. The loss of balance made every inhabitant of both universes to become overwhelmed by their respective moralities. Dr. Roberts, under the influence, started the surgery that made Piper to a vast amount of blood. Phoebe yelled at him for saying there is nothing that can be done to save Piper. He called security to shoot Phoebe and Paige, but Leo restored the balance just in time and Dr. Roberts went back into the operating room to save Piper.
In the end, Chris was successfully born and Piper was saved.
Dr. Roberts appeared in a total of 1 episode throughout the course of the series: