When a puppy gets lost while playing hide and seek on the farm, Otis the friendly little tractor must face his fear of the darkness in order to help his new friend.

Pleased with his success in riding a bike, Duck decides to drive the farm tractor, and invites all the other farm animals along for the ride--all the way to town.

When building a community swimming pond, Tractor Mac and his friends on the farm discover that teamwork makes all the difference.

Betty the school bus is upset over making mistakes on her very first day, but Tractor Mac and the farm animals provide tips and encourage her to practice and try again.

After seeing a plane flying through the sky, Mac the tractor decides that he wants to fly.

When a big new yellow tractor arrives, Otis the friendly little tractor is cast away behind the barn, but when trouble occurs Otis is the only one who can help.

"The pigs, Pete and Paul, learn the importance of patience when they try (unsuccessfully) to speed along the growth of Farmer Bill's prized pumpkins"--

Down on the farm, we're busy, busy, busy! We're chopping, churning, planting, and harvesting. And what's working at every step of the way? Our tractor!

In Stoney Meadow Farm, Fergus the calf does not like change and misses summer's flowers and shade trees until Tractor Mac helps him to appreciate the changes autumn brings, such as colorful leaves, pumpkin festivals, and apples.