CREATE TABLE table_19401 ("Volume" FLOAT, "Discs" FLOAT, "Episodes" FLOAT, "Region 1" TEXT, "Region 2" TEXT, "Region 4" TEXT)

Name the episodes when region 1 is september 19, 2006
SELECT "Episodes" FROM table_19401 WHERE "Region 1" = 'September 19, 2006'
SELECT "Episodes" FROM "table_19401" WHERE "Region 1" = 'September 19, 2006'