S07E01 - Roller Coaster; Quicksand; Jelly-Side Down; Lemons; White Tiger

S07E02 - Bee Stings; Bowling; High-Speed Elevator; Lemons; Boa

S07E03 - Race Cars; Spider Webs; Lemons; Tropical Fish

S07E04 - Rain Forest; Buoyancy; Pouring Catsup; Lemons; Cold Remedies

S07E05 - Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth

S07E06 - Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; Eel

S07E07 - Whale Watch; Sunspots; Lemons; Skunk

S07E08 - Milky Way; Epilepsy; Lemons; Inventors Fair; Cuttlefish

S07E09 - DNA; Rube Goldberg Contest; Parrot Chat; Chewing Tin Foil; Seahorse

S07E10 - Marathons; Celestial Navigation; Cataracts Chat; Lemons; Echidna

S07E11 - Spinal Cord; Glue; Lemons; Dog Behavior

S07E12 - Cheese; Aging; Appendix Chat; Wolves

S07E13 - Supercomputer; Greenhouse Effect; House Creaking; Owl