Smallville
- Topic threads include cast members and episodes.
- http://s2.invisionfree.com/SmallVille/

Smallville Town Talk
- Message forum with topic threads on seasons, characters, spoilers, and fan works.
- http://smallvillecrows.proboards30.com/index.cgi

Yahoo! Groups: Gaysmallvillefanclub
- Message board and weekly chat after episodes. [Yahoo! registration required.]
- http://tv.groups.yahoo.com/group/gaysmallvillefanclub/

Cmon Save Me Forum
- Discussion on the latest news about the actors, characters and episodes.
- http://cmonsaveme.proboards18.com/

The Talon
- Message board for fans to post their thoughts on the show, spoilers, and characters.
- http://www.voy.com/132560/

Yahoo! Groups: The_Reporters
- Mailing list for fans of a Clark/Chloe relationship. [Yahoo! registration required.]
- http://groups.yahoo.com/group/The_Reporters/

Yahoo! Groups: SmallvilleCentral
- Photographs, chat, and message board. [Yahoo! registration required.]
- http://groups.yahoo.com/group/smallvillecentral/

Yahoo! Groups: Smallville and Beyond
- Message board and chat based on the idea that there's big trouble in the town. [Yahoo! registration required.]
- http://groups.yahoo.com/group/smallvilleandbeyond/

Yahoo! Groups: Gay Smallville Fan Club
- Message board and weekly chat. [Yahoo! registration required.]
- http://groups.yahoo.com/group/gaysmallvillefanclub/

Yahoo! Groups: Smallville Central
- Reviews, polls, pictures, and discussion. [Yahoo! registration required.]
- http://groups.yahoo.com/group/smallville_central/

Yahoo! Groups: PlanetKrypton
- Discussion, news, fan reviews, and information for fans of Lois & Clark and Smallville. [Yahoo! registration required.]
- http://groups.yahoo.com/group/PlanetKrypton/

Yahoo! Groups: Smallville Discussion List
- Mailing list for fans to discuss and critique the series. [Yahoo! registration required.]
- http://groups.yahoo.com/group/Smallville_Discussion_List/