Everyone seems to have a secret, and Choo Choo Bob has a big one, today is his birthday.

Choo Choo Bob and Engineer Emily ride the Black Hills Central Railroad in South Dakota; find out what Conductor Dave and Charlie Rat would look like on Mount Rushmore.

Choo Choo Bob and Richard W. Kornbelt go bird watching and discover a Galloping Goose at the Colorado Railroad Museum. Conductor Dave and Charlie Rat have fun with a magnifying glass with disastrous results. A New Orleans style brass band stops by.

Richard W. Kornbelt has a farm in Tinyland, and Choo Choo Bob shrinks down for a visit; conductor Dave needs some assistance with his crossword puzzle and Charlie Rat is more than happy to help.

Choo Choo Bob and the gang learn that tools are important for helping to get the job done, especially the right one; Richard W. Kornbelt has a sandwich you have to see to believe.

Learning that old things can be cool just like new things.