- 50 - 18Lee and Liza's Family TreeNov. 22, 2023
- 50 - 17The Battle to Beat MalariaNov. 15, 2023
- 50 - 16Inside China's Tech BoomNov. 08, 2023
- 50 - 15Ancient Earth: HumansNov. 01, 2023
- 50 - 14Ancient Earth: InfernoOct. 25, 2023
- 50 - 13Ancient Earth: Life RisingOct. 18, 2023
- 50 - 12Ancient Earth: FrozenOct. 11, 2023
- 50 - 11Ancient Earth: Birth of the SkyOct. 04, 2023
- 50 - 10Hidden Volcano AbyssMay. 10, 2023
- 50 - 9Your Brain: Who's in Control? (2)May. 24, 2023
- 50 - 8Your Brain: Perception Deception (1)May. 17, 2023
- 50 - 7Saving the Right WhaleMay. 03, 2023
- 50 - 6Chasing Carbon ZeroApr. 26, 2023
- 50 - 5[UPDATE] Dog TalesMar. 01, 2023
- 50 - 4New Eye on the UniverseFeb. 22, 2023
- 50 - 3Ancient Builders of the AmazonFeb. 15, 2023
- 50 - 2Star Chasers of SenegalFeb. 08, 2023
- 50 - 1Saving VeniceSep. 28, 2022