CREATE TABLE table_204_384 (id NUMBER, "#" NUMBER, "air date" CLOB, "timeslot  ( est ) " CLOB, "season" CLOB, "rating" NUMBER, "share" NUMBER, "18-49  ( rating/share ) " CLOB, "viewers  ( m ) " NUMBER, "weekly rank  ( # ) " NUMBER)

the air date with the most viewers
SELECT "air date" FROM table_204_384 ORDER BY "viewers (m)" DESC LIMIT 1
SELECT "air date" FROM "table_204_384" ORDER BY "viewers (m)" DESC FETCH FIRST 1 ROWS ONLY