Ehh, I believe the most epic bit should go to when Twi lost faith in her friends in Return of Harmony and was packing to leave, but Celestia sent Twi her own letters back to her to renew her spirit. Seriously, when I first saw that, I couldn't help but cheer cuz I didn't see that coming at all.

J. J. Abrams: "Needs more lens flare!" But seriously not bad. What did you use to create the extra effects?