is Diagnosis of Murder on dvd

I still haven't seen it I'm hooked on the show now that Hallmark Mystery Channel shows the series noon till 2pm and 12am to 2am. I'm so hooked on this show cause of Barry (yes I had a crush on him since I was 14 years old due to Airwolf (which I do consider it part of the airwolf series.) I wanted to know if this is on dvd cause like I said I want to see this.