Apple TV apps can't connect to the internet

So my Apple TV is connected to the internet (Movies, TV shows, Airplay, etc. all work), but 3rd party apps like netflix, hulu plus, and WSJ can't connect. They get to various stages of logging in, but then go to a black screen saying something like "Accessing <app name>", and hang there as long as I let it.
Any ideas?
BTW, the ATV is connected via ethernet, if that is a factor at all.

As backwards and dumb as I know this sounds try using a WiFi connection.  There is an odd bug after the last two updates that can cause eithernet connection problems with some network setups.

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