Timmy and Hanky go to their father's office, where they "help" him with his work.; Timmy tells Hanky a story about how the pioneers lived.; Timmy and Hanky spend the day at their rich friend Jane Ellen's house, turning it into a shambles.; Timmy and Hanky start a dog-sitting business.; Timmy's father thinks he's struck oil in the back yard, but it's just a broken pipe from the fuel oil tank for the furnace.; Timmy's father tries to teach him how to hit a baseball.; Timmy goes to a "painless" dentist.; Timmy and Hanky try to use their wind-up toy car as a trade-in on a larger kid-size car.