Where To Stream Phineas and Ferb Season 3 Episode 28
Tri-Stone Area
- Aired January 13, 2012
- 15 Min
- Rated 8.3
- Number 221 Of 247 Rated Episodes
It's the Stone Age and Phineas and Ferb are cavemen who decide to invent something new, fun and useful…the wheel! Meanwhile, Dr. Doofenshmirtz attempts to make his digs more upscale by using the precursor to the Inator device... a plain old stick.