CREATE TABLE table_26139405_1 (title VARCHAR, viewers__in_millions_ VARCHAR)
SELECT title FROM table_26139405_1 WHERE viewers__in_millions_ = "8.51"
ตอนที่มีผู้ชม 8.51 ล้านคนชื่ออะไร
What is the name of the episode that had 8.51 million viewers?