Star Trek TNG Columbia House Video Tapes

I am looking for a few Star Trek TNG tapes to complete my collection. These are the Columbia House video tapes with two episodes on each tape. The episodes I am looking for are:
Times Arrow
The Inner Light
The Wounded
Devil's Due
Yesterday's Enterprise
The Offspring

I am not interested in buying lots or related sci-fi items, just these episodes. I can pay 5.00 each with a small shipping charge via media mail.