User blog comment:RoyallyBella/Official Season 7 discussion blog/@comment-5875378-20151201172954

Guys, Season 7 might start on December 13, 2015. They added episodes to the schedule and there are 2 episodes airing on that Sunday. However, it does not say what episodes they are. Hopefully, when it gets closer, we will know for sure.

Source: http://www.locatetv.com/tv/winx-club/schedule#13-Dec-2015