Mystery Hunters (2002-10)
http://kids.discovery.com/fansites/mysteryhunters.html
Operation Junkyard (2002-09)
http://kids.discovery.com/fansites/operationjunkyard.html
Endurance (2002-10)
http://kids.discovery.com/fansites/endurance.html
The Save-Ums (2003-08)
http://kids.discovery.com/fansites/readysetlearn/thesaveums.html