Episodes of "Dr. Quinn, Medicine Woman" are available for streaming on Amazon.com as of 2015. Netflix also offers the series through its DVD rental service.
To watch the show on Amazon.com, visit the site's home page and select Amazon Video from the drop-down menu next to the search bar. Perform a search for "Dr. Quinn, Medicine Woman," and select a season. The site allows members of its Amazon Prime program to stream all six seasons free of charge. Non-members can order episodes or entire seasons to stream, or they can start a free trial of Amazon Prime.
To rent the show through Netflix, visit the site's home page and log in. Perform a search for "Dr. Quinn, Medicine Woman" and select a season to rent. Netflix offers all six seasons of the series. Netflix only offers DVD rentals to members, but it has a free trial period.