premise: VH1 was the channel where Celebrity Rehab with Dr. Drew aired.
hypothesis: Celebrity Rehab with Dr. Drew , later called simply Rehab with Dr. Drew , is a reality television show that aired on the cable network VH1 in which many of the episodes chronicle a group of well-known people as they are treated for alcohol and drug addiction by Dr. Drew Pinsky and his staff at the Pasadena Recovery Center in Pasadena , California .