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Roller Coaster; Quicksand; Jelly-Side Down; Lemons; White Tiger

Episode number: 1

Bee Stings; Bowling; High-Speed Elevator; Lemons; Boa

Episode number: 2

Race Cars; Spider Webs; Lemons; Tropical Fish

Episode number: 3

Rain Forest; Buoyancy; Pouring Catsup; Lemons; Cold Remedies

Episode number: 4

Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth

Episode number: 5

Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; Eel

Episode number: 6

Whale Watch; Sunspots; Lemons; Skunk

Episode number: 7

Milky Way; Epilepsy; Lemons; Inventors Fair; Cuttlefish

Episode number: 8

DNA; Rube Goldberg Contest; Parrot Chat; Chewing Tin Foil; Seahorse

Episode number: 9

Marathons; Celestial Navigation; Cataracts Chat; Lemons; Echidna

Episode number: 10

Spinal Cord; Glue; Lemons; Dog Behavior

Episode number: 11

Cheese; Aging; Appendix Chat; Wolves

Episode number: 12

Supercomputer; Greenhouse Effect; House Creaking; Owl

Episode number: 13