Ratings are in for “Infection,” the seventeenth episode of Stargate Atlantis’s fifth and final season. The episode stayed even with the pre-Thanksgiving episode, turning in a 1.2 average household rating on December 5.

In “Infection,” Colonel Sheppard’s team investigate a crippled Wraith hive ship that shows up in orbit over Atlantis. On board they find Todd, and learn that Dr. Keller’s gene therapy has had a catastrophic impact on them.

Leading the ratings for the SCI FI Channel during the week was Ghost Hunters, which dropped to a 1.8 rating. ECW wrestling earned a 1.3 rating, and Sanctuary dipped two-tenths to a 1.2 for “Requiem.”

There are just two more episodes of Stargate Atlantis! Watch “Vegas” on Friday, January 2 at 9 p.m. (8 Central), and “Enemy At the Gate” on January 9.

(Thanks to Morjana for the tip)