Season 4

1. Sweat, Beakmania & Weighing a Car

2. Migration, Beakmania & Living Space

3. Bunsen, Beakmania & Sewage

4. Cats, Beakmania & Dynamite

5. The Mouth, Beakmania & Scale

6. Catalysts, Beakmania & Aerosal Cans

7. Rubber, Beakmania & Hair

8. Camels, Beakmania & Density

9. Boomerangs, Beakmania & Circus Science

10. Elephants, Beakmania & X-Rays

11. Skin, Beakmania & Oxygen

12. Bread, Beakmania & Measurement

13. Electromagnets, Beakmania & Senses

14. Chimps, Beakmania & Eye Exams

15. Magic, Beakmania & Cosmetic Chemistry

16. Pigs, Beakmania & Sound Frequency

17. Sunken Treasure, Beakmania & Archimedian Screw

18. Whales, Beakmania & Optical Illusions II

19. Sound Barrier, Beakmania & Healthy Living

20. Polar Exploration, Beakmania & Circular Motion

21. Dogs, Beakmania & Bio-Medical Engineering

22. Human Growth, Beakmania & Solutions and Suspensions

23. Action-Reaction, Beakmania & Talking Birds

24. Protozoology, Beakmania & Movie Stunts

25. Horses, Beakmania & Refrigerators

26. Fingerprints, Beakmania & Flatulence