Official message board established by Sci Fi Channel.

Discussion mailing list about the show. Message archives available to members. [Yahoo! registration required.]

Message board, chat room, links, pictures. [Yahoo! registration required.]

Fan fiction mailing list. [Yahoo! registration required.]

Play-by-mail game based on the series. [Yahoo! registration required.]

Active role playing game. [Yahoo! registration required.]

Mailing list for discussion with no spoilers for viewers in Great Britain. [Yahoo! registration required.]