The term Invasive Species is defined. Fun facts include that a Burmese Python can swallow an alligator. Digestive juices in the snake's stomach can dissolve bones. A favorite of snake lovers, they grow 7 feet in first year, hard to contain.
Arthropods are explored including their classification in the animal kingdom and their shared characteristics, exoskeleton and pairs of legs. Fun facts include that some butterflies taste with their feet and hear with their wings.
Charlie and Kirby share the history of astronauts including animals and visit the Johnson Space Center which has a International Space Station mock-up they explore. Also, they drive a space exploration vehicle built for Mars rocks study.
Charlie's bike is gone after he leaves it on his porch. Kirby and he want to learn how to crack the case so they contact a crime scene investigator who introduces them to crime scene tape and a camera, and gel lift kit and footprint kit.
Charlie and Kirby want to redesign the simple kitchen toaster as part of a toaster redesign competition but they are stuck..They try the processes of Experimentation, Testing and Innovation practiced in action sports like skateboarding.