CREATE TABLE table_21384 ("DVD Name" TEXT, "Ep #" FLOAT, "Region 1" TEXT, "Region 2  ( Scandinavia ) " TEXT, "Region 2  ( UK ) " TEXT, "Region 4" TEXT, "Special features" TEXT)

Name the region 1 for episode number 13
SELECT "Region 1" FROM table_21384 WHERE "Ep #" = '13'
SELECT "Region 1" FROM "table_21384" WHERE "Ep #" = '13'