'Sarah Palin's Alaska' drops in week two

You can see falling ratings from here.

Week two of "Sarah Palin's Alaska" dropped big time, posting a still-solid 3 million viewers. 

That's still good, but back to earth for the TLC show, which averaged a whopping 5 million viewers in its series premiere.

The number is even smaller among adults 18-49, averaging 885,000 viewers. That's partly because "Alaska" is skewing old -- bringing in a median age of 57, which is 15 years older than TLC's normal aud.