After released some times ago, Bad Piggies will get an update with new episode, called "Flight in the Night". Rovio officially informed about this update via their Twitter account :
After all the positive reviews, we're still not taking it easy. A #BadPiggies update is DONE & will be out in less than a month from launch!
— Rovio Entertainment (@RovioHQ) October 17, 2012
In their tweet, Rovio say that the new Bad Piggies update will be out “less than a month from launch”, means Flight in the Night episode should land on-or-before October 27th, which is a week from this coming Saturday.
Little More info about Flight in the night can be seen on this video :
Update : Bad Piggies Flight in the Night Update Now Available to Download!!