CREATE TABLE table_1876825_6 (no_in_series INT, original_air_date VARCHAR)

What episode number in the series aired on February 8, 2004?
SELECT MAX(no_in_series) FROM table_1876825_6 WHERE original_air_date = "February 8, 2004"
SELECT MAX("no_in_series") FROM "table_1876825_6" WHERE "February 8, 2004" = "original_air_date"