Plumbing, Beakmania & Roller Coasters (S01E23)

S01E01 Rain, Beakmania & Volcanoes S01E02 Gravity, Beakmania & Inertia S01E03 Noises at Night, Beakmania & The Nose S01E04 Blood, Beakmania and Dreams S01E05 Leaves, Beakmania, & Paper S01E06 Soap, Beakmania, & Auto Engines S01E07 Electricity, Beakmania, & Light Bulbs S01E08 Sound, Beakmania, & Explosions S01E09 Refraction, Attraction & Beakmania S01E10 Levers, Beakmania, & Television S01E11 Boats, Beakmania & Airplanes S01E12 Bubbles, Beakmania & Feet S01E13 Microscopes, Beakmania & Healing S01E14 Scientific Method, Beakmania & Rainbows S01E15 Vaccinations, Beakmania & Friction S01E16 Thermodynamics, Beakmania & Pimples S01E17 Fossils, Beakmania & the Human Voice S01E18 Lungs, Beakmania & Telephones S01E19 Tape Recordings, Beakmania & Force Vs. Pressure S01E20 Microwaves, Beakmania & Spiders S01E21 Earwax, Beakmania & Rocket Engines S01E22 Ozone, Beakmania & Acid S01E23 Plumbing, Beakmania & Roller Coasters S01E24 Bees, Beakmania & Earthquakes S01E25 Reflection, Beakmania & Madame Curie S01E26 Wheels, Beakmania & Finding Answers