User blog comment:Omega natsu2/Chapter 367: Jellal vs. Oración Seis, Predictions./@comment-2214433-20140112121627/@comment-7418318-20140112193743

Coming back to openings and closing... I just reached episode 68 in my re-watching of Fairy Tail and there, instead of the "normal" closing, they play the closing song over a montage that summarizes the Oración Seis arc.

I kinda wish they'd do that in the last episode of each arc.