Can you be more specific? Which episode are you talking about? In general you unlock any level by completing the previous level.
In two years
its already out there...
Angry Birds Rio happened in 2011.
If its the free version you will have to wait until they come out with the August angry birds Rio update.
Angry Birds Rio was created on 2011-03-22.
Well the first Angry Birds was not actually based on a movie but Angry Birds Rio was based on the movie Rio.
Rio the movie because the angry birds version is a "copy" of the movie.
It is $2.99 for angry birds rio.
Angry birds spaceAngry birds Rio Angry birds space Angry birds star wars Angry birds Angry birds seasons
blue macaws,
Angry Birds Seasons and Rio have different codes because you do the full version differently like the other two angry birds