So Rachel and her crew has set up a Kickstarter campaign to fund production of the remaining episodes. They've already reached there goal, but you can pledge additional support to receive copies of the latest DVDs.
Want to know more? Here's our interview with Rachel about the importance of bilingual education; or check out her plans for Rachel and the TreeSchoolers on the Kickstarter site (See below for the Kickstarter video with CC).
Here's a clip from Signing Time:
And here's the Kickstarter video: