Grey's Anatomy by Scott Garfield/ABC Grey's Anatomy by Scott Garfield/ABC

The ratings rehash for the increasingly competitive Thursday:

8 pm/ET
Survivor: Gabon - No, I Will Not Be Typing the Subhead Each Week topped the 8 o'clock hour, and averaged 12.9 million total viewers over its two-hour run, a drop of a mil from the Fans vs. Favorites opener. Ugly Betty placed second with 9.78 mil, a 12 percent decline from a year ago.

My Name is Earl's back-to-back episodes averaged 6.4 mil, plunging 25 percent from its previous premiere. Smallville (4.1 mil) slipped 270 thou.

9 pm
Grey's Anatomy dominated its entire two-hour run, averaging 18.3 million viewers, a 10 percent dip from last season's opener. Delivering 9.2 mil, The Office dipped 470K year-over-year. Supernatural (3.25 mil) was down 18 percent from last week's return.

10 pm
Placing a distant third behind the back end of Grey's and a CSI repeat, ER returned to 7.92 mil, a 20 percent drop from its previous premiere.