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- S4.E1 ∙ Sweat, Beakmania and Weighing a Car
- S4.E2 ∙ Migration, Beakmania & Living Space
- S4.E3 ∙ Bunsen, Beakmania & Sewage
- S4.E4 ∙ Cats, Beakmania & Dynamite
- S4.E5 ∙ The Mouth, Beakmania, Sizing and Scale
- S4.E6 ∙ Catalysts, Beakmania and Aerosal Cans
- S4.E7 ∙ Rubber, Beakmania & Hair
- S4.E8 ∙ Camels, Beakmania and Density
- S4.E9 ∙ Boomerangs, Beakmania and Circus Science
- S4.E10 ∙ Elephants, Beakmania and X-Rays
- S4.E11 ∙ Skin, Beakmania and Oxygen
- S4.E12 ∙ Bread, Beakmania & Measurement
- S4.E13 ∙ Electromagnets, Beakmania and Senses
- S4.E14 ∙ Chimps, Beakmania and the Eye Exam
- S4.E15 ∙ Magic, Beakmania & Cosmetic Chemistry
- S4.E16 ∙ Pigs, Beakmania & Sound Frequency
- S4.E17 ∙ Sunken Treasure, Beakmania and Archimedian Screw
- S4.E18 ∙ Whales, Beakmania and Optical Illusions II
- S4.E19 ∙ Sound Barrier, Beakmania & Healthy Living
- S4.E20 ∙ Polar Exploration, Beakmania & Circular Motion
- S4.E21 ∙ Dogs, Beakmania & Bio-Medical Engineering
- S4.E22 ∙ Human Growth, Beakmania & Solutions and Suspensions
- S4.E23 ∙ Action-Reaction, Beakmania & Talking Birds
- S4.E24 ∙ Protozoology, Beakmania and Movie Stunts
- S4.E25 ∙ Horses, Beakmania and Refrigerators
- S4.E26 ∙ Fingerprints, Beakmania and Flatulence
