12) Episode availability
Japanese versions of the whole series have been released on videotape and on laserdisc. The laserdiscs for the first year, and the movies, include brief bonuses (such as interviews). Japan uses NTSC like North America does, and the tapes and discs will work on North American machines. The episodes are in untranslated Japanese.
Fansubs are episodes translated unofficially by fans. (Note: this _is_ technically illegal.) Ask around to get these. You shouldn't pay more than cost for any fansubs. While there is a raging debate among fans about exactly what costs fansubbers can ethically charge, if you're being charged $10 (US) or more per tape, you're being ripped off.
There is an audio tape for dub episode 12 (Unnatural Phenomena).
Another source of episodes may be Chinatown, if you have a Chinatown and can speak the right dialect (if dubbed) or read Chinese (if subbed).
[Buena Vista Home Video released dub episodes in North America at $10 a tape.
AD Vision is releasing the dubbed episodes up to R on tape.
Pioneer has released the R, S, and SS movies on tape and DVD. There are separate cut and uncut tape versions. Pioneer is releasing the S and SS TV series on DVD "uncut", although actually the next episode previews are gone and they used the wrong versions of the openings (which contain spoilers for new characters). The first episodes are also somewhat zoomed because they used the TV version of the show. There are no plans for anyone to release Sailor Stars, despite an April Fools joke that keeps getting spread around (guys, please stop it, okay? You can recognize the joke by the reference to Ursula's Kiss.)
The American soundtrack has been released on CD. Another CD, "Sailor Moon and the Scouts: Lunarock" has been released in Canada.
There are a whole lot of Japanese CDs, none of which I have any real information about. (Note: CDs which come from the companies "SM" or "Ever Anime" are pirated CDs made in Taiwan and originally sell for the equivalent of about $8 each.)