Was released on VHS in mid-1980's.

The show was available for sale on VHS briefly in the mid 1980's. I believe they were distributed by Facets Video (who may still have some copies.) Even if they no longer carry it, Facets will sometimes bring back material no longer in print if there is a demand for it. Be warned they weren't cheap, I believe they were sold for around $20 per tape at the time.
Check you local library, although most have sold off or thrown out their VHS collections, it doesn't hurt to ask.

Update: I found out the VHS tapes were sold under the "RKO Homevideo" label around 1985 and 1986. The local library had them listed in the computer, but only had a copy of "Who Killed Julie Greer" in VHS on the shelf. Borrowed it and hopefully will have time to watch it this weekend.
Not much hope for the rest of the series from the library though, they were surprised to find this one on the shelf.