Airfield Chase

is a new episode of Angry Birds Rio. It was released August 18, 2011. The episode has hidden Golden Apples. The Big Brother Bird appears in this episode. The color of the levels in the level selection screen is dark purple, and it features loads of new objects, such as wheels, and bags. Unlike the past 3 episodes, you have to free the birds from their cages again to get to their homeland again. The second theme has released on October 1, 2011. The next and final chapter is Smuggler's Plane.