Funding
- National Science Foundation (2006–10)
- The Arthur Vining Davis Foundations (2006)
- Corporation for Public Broadcasting (2009–10)
- Arby's (2006–07)
- Greendog Clothes for Kids @ Macy's (2006–08)
- Chuck E. Cheese's (2010)
- Contributions to your PBS stations from "Viewers Like You" (2006–10)
In seasons 1–3, Ruff would announce the funding through the Fetch 3000. In seasons 4 & 5, he would do it on a projector.
Read more about this topic: Fetch! With Ruff Ruffman