The Rose Garden is by far the best, most current, most thorough Harm and Mac site ever! I visit it daily for updates. It's got lots of great pictures, spoilers for upcoming episodes, lots of links to other JAG sites and much more!
The Official Catherine Bell Web Site is her official web site. It started in September, 2001 and has some neat stuff there. There are some behind the scenes photos, her favorite recipes, and lots of other stuff.
Paramount gives a short synopsis of this week's episode and has an episode guide of seasons 5 & 6 with dates when they were originally aired. It has some great photos and some behind the scene production notes and information.
CBS has an average site with information on this week's episode. There are some short actor biographies, some photos and a poll.
Other JAG Sites:
JAG Credits and Episode List is a very comprehensive list of every JAG episode. It's a great resource for knowing who starred, directed, etc. in every episode plus air dates and rating information.
Episode Guides and Lists by LS has a great JAG FAQ as well as a listing of all JAG episodes. This site hasn't been updated since November 2001.
The very complete JAG Review Site is great to catch up on any missed episodes. It includes reviews and screen caps and has every episode!
JAG Reviews and Information has detailed reviews of almost all JAG episodes. It's great if you missed an episode and want to read what happens. It hasn't been updated since December 2001.
Maeve's JAGnik Site has one of the best message boards around. It's one of the original JAG sites.
Semper JAG in Europe is a very nice site in English as well as other languages. Lots of fun stuff there and a good way to connect with JAG fans in Europe.
JAGnik Jen's JAG Archive has lots of information including current epiosode guides and information.
JAG Shopping is a site that lists just about everything that can be purchased that is related to JAG.
JAG Extreme is a well rounded site for JAG fans and JAG Fanfic readers.
Kim's FanFic and Fun site has short stories, JAG jokes and various Top Ten lists.
The JAGSite has a great collection of fun things related to JAG. It's up-to-date and has a great FunZone page with trivia and surveys.
JAGhm is a French site that is great for any French-speaking JAG fan.
JAGOnline is a dutch site but also has sections in English.
My Favorite Mailing Lists: (currently sponsored by YahooGroups!)
If you have other links you'd like to be included here let me know! Also, if you find that one of the links listed here is no longer active, I'd appreciate it if you'd let me know that as well.