Tri-Stone Area

Episode Summary
Tri-State Area change into the prehistoric Tri-Stone Area and all the characters become cavemen and cavewomen. Nothing more is known at this time, but the episode first surfaced Dan Povenmire's YouTube account. There will be a caveman version of Gitchee Gitchee Goo.

Songs

 * Zabadaba

Perry's entrance to his lair
None.

Background Information
This video shows exactly what it's like working on Phineas and Ferb. It's 8 O'Clock at night, and Celeste, Martin and I are recording a demo for a Caveman version of Gitchee Gitchee Goo for an upcoming episode.
 * Description of the video:

Cast

 * Vincent Martella as Phineas
 * Ashley Tisdale as Candace
 * Thomas Sangster as Ferb
 * Caroline Rhea as Mom
 * Mitchel Musso as Jeremy
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Richard O'Brien as Dad
 * Dee Bradley Baker as Perry
 * Alyson Stoner as Isabella

Video
http://www.youtube.com/watch?v=e9hhvpJECfQ