Beakman explains Newton's Third Law of Motion and plays a video that offers some examples of it in action. Then they conduct a demonstration of the law using a balloon and a toy car.

After the dam breaks, the group tries to escape the town before the bridge collapses from the floods. Everyone safely crosses the bridge except for Paul.

Gordon confronts an owner for taking his staffs tips, and not paying them appropriately.

Martha is a puppy at an animal shelter. The worker at the animal shelter tells Martha all the possibilities he could be when someone takes him. This video explains the term possibility.

The children are near a train track and observe a landslide that causes a tree to fall down the slope and destroy the embankment over the railroad tracks.