
1. Carbon
Aired: Jan 30, 2012The next episode delves into the fundamentals of chemistry, exploring covalen...

2. Water
Aired: Feb 6, 2012Exploring the vast significance and captivating properties of water, Hank del...

3. Biological Molecules
Aired: Feb 13, 2012The next episode explores the fascinating world of biomolecules, delving into...

4. Animal Cells
Aired: Feb 20, 2012In the next episode, Hank delves into the fascinating world of Eukaryopolis, ...

5. Membranes & Transport
Aired: Feb 27, 2012Cells maintain internal balance and communicate with each other through speci...

6. Plant Cells
Aired: Mar 5, 2012In the next episode, Hank delves into the fascinating world of plants, highli...

7. ATP & Respiration
Aired: Mar 12, 2012Hank performs push-ups to illustrate the scientific concept of cellular respi...

8. Photosynthesis
Aired: Mar 19, 2012In the next episode, Hank delves into the intricate process of photosynthesis...

9. Heredity
Aired: Mar 26, 2012The next episode delves into the fascinating topic of heredity, as Hank and h...

10. DNA Structure & Replication
Aired: Apr 2, 2012Hank explores the wonders of DNA, revealing how this molecule replicates itse...

11. DNA Transcription & Translation
Aired: Apr 9, 2012In the next episode, Hank's curiosity gets the best of him as he envisions hi...

12. Mitosis
Aired: Apr 16, 2012In the next episode, Hank delves into the fascinating world of cellular divis...

13. Meiosis
Aired: Apr 23, 2012In the next episode, Hank delves into the fascinating world of meiosis, a cru...

14. Natural Selection
Aired: Apr 30, 2012In the next episode, Hank delves into the fundamental concept of natural sele...

15. Speciation
Aired: May 7, 2012The next episode explores the fascinating concept of speciation, where new bi...

16. Animal Development
Aired: May 14, 2012In the next episode, Hank delves into the fascinating world of growth and dev...

17. Evolutionary Development
Aired: May 21, 2012The next episode explores the cutting-edge field of evolutionary developmenta...

18. Population Genetics
Aired: May 28, 2012In the next episode, Hank delves into the fascinating world of population gen...

19. Taxonomy
Aired: Jun 4, 2012The next episode delves into the fascinating world of taxonomy, where Hank sh...

20. Evidence of Evolution
Aired: Jun 11, 2012The next episode delves into the concept of evolution, where Hank presents a ...

21. Comparative Anatomy
Aired: Jun 18, 2012Comparative anatomy explores the similarities and differences in animal anato...

22. Simple Animals
Aired: Jun 25, 2012The next episode explores the fascinating world of animals, starting with the...

23. Complex Animals
Aired: Jul 2, 2012Next episode, Hank dives deeper into the world of animal phyla, examining the...

24. Chordates
Aired: Jul 9, 2012In the next episode, Hank explores the phylum Chordata, revealing the incredi...

25. Animal Behavior
Aired: Jul 16, 2012In the next episode, Hank and his curious cat Cameo embark on a fascinating j...

26. Nervous System
Aired: Jul 23, 2012In the next episode, Hank and his feline friend Cameo embark on an exciting a...

27. Circulatory System
Aired: Jul 30, 2012The next episode delves into the inner workings of the human body, exploring ...

28. Digestive System
Aired: Aug 13, 2012Join Hank as he embarks on an intriguing adventure through the human body, ex...

29. Excretory System
Aired: Aug 13, 2012Join Hank as he explores the intricate process of how our kidneys produce uri...

30. Skeletal System
Aired: Aug 20, 2012The next episode delves into the fascinating world of the human skeleton, exp...

31. Muscular System
Aired: Aug 27, 2012The next episode delves into the intricate biochemical process that governs m...

32. Immune System
Aired: Sep 3, 2012The next episode delves into the fascinating world of the immune system, wher...

33. Endocrine System
Aired: Sep 10, 2012Meet the elite team of ninja assassins that safeguard our bodies from harm, b...

34. Reproductive System
Aired: Sep 17, 2012
35. Archaea, Bacteria & Protists
Aired: Sep 24, 2012Next episode, Hank will explore the fascinating world of single-celled organi...

36. Nonvascular Plant Reproduction
Aired: Oct 1, 2012Next episode, Hank explores the fascinating world of nonvascular plants, incl...

37. Vascular Plants
Aired: Oct 8, 2012Next episode, Hank explores the vascular plants, a diverse and successful gro...

38. Plant Reproduction
Aired: Oct 15, 2012Vascular plants, including ferns, gymnosperms, and angiosperms, have evolved ...

39. Fungi
Aired: Oct 22, 2012The next episode delves into the fascinating world of fungi, revealing their ...

40. Ecology
Aired: Oct 29, 2012The next episode of Crash Course Biology explores the field of ecology, exami...