Air date: 2017-09-25

Runtime: 25 min

Charlie and Kirby head to NASA's mission control in Houston to learn how to train to become astronauts.

Air date: 2017-10-02

Runtime: 25 min

How recycling helps save trees; visit to a paper mill and a recycling plant.

Air date: 2017-10-09

Runtime: 25 min

With a soapbox derby coming up, Charlie and Kirby head to the racetrack for a crash course on race cars.

Air date: 2017-10-16

Runtime: 25 min

Charlie and Kirby learn all about planes on a flight in a historic biplane.

Air date: 2017-10-23

Runtime: 25 min

Air date: 2017-10-30

Runtime: 25 min

Air date: 2017-11-06

Runtime: 25 min

Forensic scientists show Charlie and Kirby how fingerprints and footprints help solve crimes.

Air date: 2017-11-13

Runtime: 25 min

Charlie and Kirby visit the quietest room in the world to learn how to harness sound.

Air date: 2017-11-20

Runtime: 25 min

Description DescriptionCharlie and Kirby head to Hawaii to discover the secrets of volcanoes.

Air date: 2017-11-27

Runtime: 25 min

Charlie and Kirby investigate various kinds of trees and climb giant sequoias that can grow to be over 250 feet tall.

Air date: 2017-12-04

Runtime: 25 min

Charlie and Kirby learn how to take care of Patrick's coral reef aquarium.

Air date: 2017-12-11

Runtime: 25 min

Charlie and Kirby explore different types of plants, from carnivorous plants that eat insects, to giant sea kelp that grow up to two feet per day.

Air date: 2017-12-18

Runtime: 25 min

Kirby and Charlie learn all about bees.

Air date: 2017-12-25

Runtime: 25 min

Kirby needs to build a contraption that will beat the school record in the egg-drop contest so she and Charlie get some advice from professional test engineers.

Air date: 2018-01-01

Runtime: 25 min

Charlie and Kirby learn all about electricity when their headquarters loses power.