Piglantis

Piglantis is the twelfth season in Angry Birds Seasons. It was revealed via GameCenter and announced on AngryBirdsNest.com. Speculation suggests that the theme is going to be somewhat familiar Surf and Turf, or nautical with Atlantis in the background.

Trivia

 * This episode name is a pun on the fabled city 'Atlantis'.
 * This episode may be the second Summer based episode (see Summer Pignic).
 * This episode may be the fourth Advent-style episode (see Season's Greedings, Summer Pignic and Wreck the Halls).

Resources
http://www.angrybirdsnest.com/angry-birds-seasons-piglantis-update-coming-soon/