← Newton's Apple · Season 7Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; EelS7 · E6 · 18 Nov 1989 · 30 minNo image← 5. Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth7. Whale Watch; Sunspots; Lemons; Skunk →