Talk:Lesson Zero/@comment-173.3.249.48-20111019224910/@comment-4060028-20111021042742

"Showrunner Jayson Thiessen has stated that while the two episodes were produced at the tail-end of the first season, they were always supposed to be part of season two. This was done to shorten the production hiatus and to keep on as many of the show's staff as possible."

Taken from The Return of Harmony Part 1 page. The source is an interview with EqD.