E! Online News: "The Shield" Loses Advertisers
- Article noting that sex, violence, and profanity cost the series some sponsors.
- http://www.eonline.com/news/article/index.jsp?uuid=3a0b3c1a-b12f-45a6-aa6a-7455f5f9a27b

FX Networks: The Shield
- Official network site. Includes episode guide, cast and character information, video clips and downloads, as well as message board.
- http://www.fxnetworks.com/shows/originals/the_shield/main.html

EpisodeGuides.com: The Shield
- Episode guides divided by season.
- http://www.episodeguides.com/scripts/getshow.php?s=theshield&p=index&m=html

TheShieldRap
- Message board for discussion of episodes, characters, spoilers, and behind the scenes information.
- http://theshieldrap.proboards45.com

IMDb: The Shield
- Cast, crew, and production information, as well as viewer comments.
- http://us.imdb.com/title/tt0286486/

The Shield
- Analysis of the episodes and pictures.
- http://www.morethings.com/fan/the_shield

Yahoo! Groups: The Shield Talk
- Moderated group for discussion of the series. [Age statement and Yahoo! registration required.]
- http://groups.yahoo.com/group/theshield-talk/

PopMatters: The Shield
- Review by Cary O'Dell that suggests the series' success could affect what networks will allow in terms of sex, violence, and profanity in order to secure ratings.
- http://www.popmatters.com/tv/reviews/s/shield.shtml