CREATE TABLE table_24861 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

What is the original air date for the production code of 1.12?
SELECT "Original air date" FROM table_24861 WHERE "Production code" = '1.12'
SELECT "Original air date" FROM "table_24861" WHERE "Production code" = '1.12'