3x1 - Sentou

January 8, 2010

3x2 - Karuta

January 15, 2010

3x3 - Taiko

January 22, 2010

3x4 - Cram School

January 29, 2010

3x5 - Light

February 5, 2010

3x6 - Footwear

February 12, 2010

3x7 - Monkey

February 19, 2010

3x8 - Soy Sauce

February 26, 2010

3x9 - Tuna

March 5, 2010

3x10 - Fusuma

March 12, 2010

3x11 - Pearl

March 19, 2010

3x12 - Todaiji

April 2, 2010

3x13 - School Lunches

April 9, 2010

3x14 - Geiko and Maiko

April 16, 2010

3x15 - Robots

April 23, 2010

3x16 - Wasabi

April 30, 2010

3x17 - Women's Fashion Magazines

May 14, 2010

3x18 - Izakaya

May 21, 2010

3x19 - Apartments and Condominiums

May 28, 2010

3x20 - Towns and Neighbourhoods

June 11, 2010

3x21 - Tempura

June 18, 2010

3x22 - Subways

June 25, 2010

3x23 - Hairstyles

July 2, 2010

3x24 - Home Appliances

July 9, 2010

3x25 - Roof Tiles

July 16, 2010

3x26 - Miniaturization

July 23, 2010

3x27 - Silk

August 13, 2010

3x28 - Soybeans

August 20, 2010

3x29 - Curry

August 25, 2010

3x30 - Dams

September 3, 2010

3x31 - Hotels

September 10, 2010

3x32 - Radio Calisthenics

September 17, 2010

3x33 - Ekiben

September 24, 2010

3x34 - Bridges

October 8, 2010

3x35 - Earthquakes

October 15, 2010

3x36 - Chrysanthemums

October 22, 2010

3x38 - Hiragana

November 11, 2010

3x39 - Udon

November 18, 2010

3x40 - Money

November 25, 2010

3x41 - Nishikigoi

December 2, 2010

3x42 - Volcanoes

December 9, 2010

3x43 - Firefighting

December 16, 2010

Japan's architectural use of wood makes it a country particularly vulnerable to fires.