This isn't good for the fate of Terminator.  Read this:

Terminator: The Sarah Connor Chronicles has only just started winning our hearts, and it's already on life-support. Its first episode scored an amazing 18 million viewers, after a high-rated football game. The second episode dropped by nearly half, and last night's outing dropped another 18 percent. It came in third, after American Gladiators and reruns of Two And A Half Men and How I Met Your Mother. Sitcom reruns!

Thats a big rating drop.  Like I wrote in my Terminator Editorial the pilot of Terminator is pretty terrible.  It appears that even the improvments in the second episode wasn't enough to keep viewers for the third episode.  The third episode in itself got really strange.  This show looks like its on the road to cancellation.  If the ratings at this point continue to drop, expect FOX to cancel it.  Thats what they're good at.

Source: io9.com

-Phil