From a media release:
New DVDs Available Tuesday, September 23, 2008, from Nelvana Enterprises
Nelvana Enterprises is pleased to announce the September 23 release of family-friendly DVDs featuring popular characters from Treehouse, YTV and TELETOON. The releases include episodes of the animated TV series Jane and the Dragon, Grossology, Ruby Gloom and Di-Gata Defenders, all available for the first time on DVD in Canada for $19.99 (SRP). Each release includes four episodes, plus a bonus episode and special features.