The Look-In Picture Strip Archive: Sapphire & Steel
- Repository of comic strip adventures based on the series, originally published in the U.K. children's magazine Look-In. Written by Angus P. Allan and drawn by Arthur Ranson.
- http://www.lookinarchive.com/homepages/sapphireandsteel/index_sapphireandsteel.html

KatSpace: Sapphire and Steel
- Analysis of the elements, compounds, and alloys for which the characters are named, and an episode guide.
- http://www.katspace.org/fandom/sns/

The Anorak's Guide To Sapphire & Steel
- Episode guide and polls.
- http://www.anorakzone.com/SapphireandSteel/

Sapphire and Steel @ Dismal Light
- Articles, reviews, and fan fiction.
- http://www.dismal-light.net/sapphireandsteel/

Andy's Anachronisms: Sapphire and Steel
- Review of the series that focuses on the way it uses time travel as a theme.
- http://www.timetravelreviews.com/tv_reviews/sapphire_steel.html

Yahoo! Groups: Sapphire and Steel Cafe
- Message board and chat for series fans. [Membership required]
- http://groups.yahoo.com/group/sapphireandsteelcafi/