WGBH Pressroom: Arthur
- Links to program descriptions and themes in PDF format.
- http://pressroom.wgbh.org/pages/arth.html

Yahoo Groups: Arthur
- Chat group with a FAQ section, message board and archive, member list, and joining instructions.
- http://groups.yahoo.com/group/arthur2/

Arthur and Friends Site Ring
- Owner information, site list, joining details, and statistics.
- http://pub19.bravenet.com/sitering/nav.php?usernum=1614441001&action=list&siteid=

Arthur: The World's Most Famous Aardvark
- Developed with the help and advice of 'Arthur' creator Marc Brown, includes character details, games, and coloring pages, as well as a parent and teacher section, episode guide, and party ideas.
- http://www.pbs.org/wgbh/arthur