3 Season
65 Episode
Nina and the Neurons - Season 10 Episode 13 Arches
Experimenters Dylan and Phoebe visit Nina to find out why people use arches in buildings.
Season
-
10 - 1
"Triangles
-
10 - 2"
Pointy Roofs
-
10 - 3"
Piers
-
10 - 4"
Nests
-
10 - 5"
Houses
-
10 - 6"
Windmills
-
10 - 7"
Beaver Dams
-
10 - 8"
Skyscrapers
-
10 - 9"
Bridges
-
10 - 10"
Demolition
-
10 - 11"
Floating Houses
-
10 - 12"
Rollercoasters
-
10 - 13"
Arches
-
10 - 14"
Lighthouses
-
10 - 15"
Living Underground
-
10 - 16"
Living Underwater
-
10 - 17"
Igloos
-
10 - 18"
Spiders' Webs
-
10 - 19"
Domes
-
10 - 20"
Amphitheatres
"
