Phil conducts an experiment involving hot water, a flask, and an egg. He fills the flask with hot water, dumps out the water, then plugs the flask with the egg. Phil explains that the egg gets pulled into the flask by the difference in pressure outside and inside the flask. Phil then explains how to get the egg out of the flask: by increasing the pressure inside the flask using his breath.
Buster Beaker explains how high and low tides are affected by the gravity of the moon and the sun. He illustrates the phenomenon using a cookie, a mushroom, and a lemon.
Phil demonstrates potential and kinetic energy using an old traffic controller and a bagel. He explains the difference between the two types of energy.
Sal puts all of the polymers in his shop on sale, which means just about every item has been discounted. He mentions the different types of polymers that exist and illustrates that they are more than plastics.