Jack Skellington begins conducting experiments and attempts to look at one of the mistletoe's berries under a microscope. However, he misuses the microscope.

Grover explains and demonstrates the concept of force by pulling a rope. He also illustrates how to influence force by inviting friends to pull the rope with him.

Barry recently won a lawsuit that no longer allowed humans to steal honey from honeybees. Now all the bees are no longer working, and he wonders why they aren't happy. Vanessa shows Barry the effects of the lawsuit: all the flowers are dying from lack of pollination. She then goes on to explain how plants affect the ecosystem.

The boys use the suction of three vacuum cleaners to retrieve a ball that is out of their reach. Their attempt fails when the "Beast" chomps down on a pipe, which blocks off almost all air flow to the suction.

This clip highlights some of Marie Curie's greatest contributions to science: the theory of radioactivity and the discovery of radium.