CREATE TABLE table_26841 ("Series" FLOAT, "Season" FLOAT, "Original air date" CLOB, "Production code" FLOAT, "Episode title" CLOB)

What date did episode 115 in the series originally air?
SELECT "Original air date" FROM table_26841 WHERE "Series" = '115'
SELECT "Original air date" FROM "table_26841" WHERE "Series" = '115'