User blog comment:Qazqaz555/Where's My Crown?/@comment-68.149.83.191-20130326214639/@comment-109.76.62.229-20130417080808

He means that Chuck Time featured the Birds, Where's My Crown? featured the Pigs, and Full Metal Chuck featured the Birds. It's a pattern! Odd numbered episodes have the Birds and even numbered episodes have the Pigs.