Wreck the Halls

 is the ninth holiday themed Angry Birds Seasons episode, and the second episode of the Seasons 2012 package. It was first referenced via leaked material through Game Center achievements and pictures. It was released on December 1st and has Advent calendar style levels, just like its predecessor: Season's Greedings.

Golden Eggs

 * Level 1-15: Zoom out and you will see the Golden Egg in the top-right in an ice block. Use the Yellow Bird to hit the snow block under the Egg, causing it to fall and break.
 * Get three stars on all levels.
 * Visit on or after December 31st 2011.

Trivia

 * On the loading screen Helmet Pig and Large Pig has it's chrome versions sprites
 * Wreck the Halls is a play-on-words with "Deck the Halls", a Christmas song, as the birds wreck wreaths.
 * This episode is the second to be based on Christmas, the other being Season's Greedings.
 * This episode is the second to be leaked through achievements, the first being Mooncake Festival.
 * The Orange Bird still appears, but no other new birds were released.
 * This episode had a Nickelodeon Extra: It shows the Red and Black Bird following the Pigs on snow skis down a mountain after they stole the bird's Christmas presents.
 * The episode has 25 levels, like Season's Greedings.
 * There are 4 achievements for iOS: Cookie Crumbler (break 300 cookies), Merry Happy! (finish Wreck the Halls), Total Destruction (get 3 stars in all levels of Wreck the Halls), and Score Addict (earn 2,466,000 points).
 * This is the first episode in any Angry Birds game to have a Nickelodeon Extra.