Welcome to the board. Sorry if things are a little too slow around here. But we do get some activity. And hopefully more in the future.
There are dvds and vhs tapes . just not complete box sets ( outside the United Stated there are for Region 2 compatible DVD players). Check out amazon.com or ebay.
For episode guides you can use PRC (
http://www.rangercentral.com ) Naks (
http://www.nakspowerrangers.com), or PRO (
http://www.powerrangersonline.com )