What We Like: 
With i.TV, you can see what’s airing on TV; what's available on Netflix, Hulu, and iTunes; schedule your TiVo DVR; and look up show information on IMDb and Wikipedia.
Why it's cool: 

i.TV is the #1 TV guide in the App Store. This app gives you comprehensive info on a variety of tv listings and helps schedule your TiVo DVR with bookmarked favorites!

API: 

http://developer.netflix.com/

Application URL: 

http://i.tv/

Platform: 
iPad
iPhone