Season 7 Episodes
13 episodes1
Roller Coaster; Quicksand; Jelly-Side Down; Lemons; White Tiger
2
Bee Stings; Bowling; High-Speed Elevator; Lemons; Boa
3
Race Cars; Spider Webs; Lemons; Tropical Fish
4
Rain Forest; Buoyancy; Pouring Catsup; Lemons; Cold Remedies
5
Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth
6
Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; Eel
7
Whale Watch; Sunspots; Lemons; Skunk
8
Milky Way; Epilepsy; Lemons; Inventors Fair; Cuttlefish
9
DNA; Rube Goldberg Contest; Parrot Chat; Chewing Tin Foil; Seahorse
10
Marathons; Celestial Navigation; Cataracts Chat; Lemons; Echidna
11
Spinal Cord; Glue; Lemons; Dog Behavior
12
Cheese; Aging; Appendix Chat; Wolves
13
Supercomputer; Greenhouse Effect; House Creaking; Owl