It looks like several of the providers are offering a free preview of TV Japan.
We know that Verizon FIOS and Time Warner Cable are participating. If your provider is participating please let us know in the comments below.
Added 3/20/11: Looks like Dish Network & AT&T U-Verse is offering this as well.
Thank you Tim and Anonymous for letting us know about this free preview! If you know about a free preview please let us know about it!