Who Wants to Trade for Some Old Tracks?

Emmie & Marco analyze fossilized dinosaur footprints out in the field, while Rubye & Shreya learn how to make a good trade. Marc & Jay stay in the studio.

English

General

Cast & Crew

Originally Aired October 18, 2010
Runtime 30 minutes
Content Rating United States of America TV-Y
Production Code 510
Network PBS
Created June 29, 2017 by
Administrator admin
Modified June 29, 2017 by
Administrator admin