CREATE TABLE table_21025437_5 (written_by VARCHAR, viewers__millions_ VARCHAR)
SELECT written_by FROM table_21025437_5 WHERE viewers__millions_ = "8.84"
ใครเป็นคนเขียนตอนที่มีผู้ชม 8.84 ล้านคน?
Who wrote the episode that had 8.84 million viewers?