Rarity's line "We've forgiven you for your past...ahem...boo-boos" was ad libbed by Tabitha St. Germain.
This was the first time the character Octavia is given a speaking voice. Tabitha St. Germain tweeted and confirmed that Kazumi Evans provided the voice.
Maryke Hendrikse, the voice of Sonata Dusk, is also the voice of Gilda, a griffon featured in the episode Griffon the Brush Off (2010).
This movie marks the first time that Rainbow Dash sings her own song, thus having all of the Mane 6 have their own songs at some point in the series.
This movie continues a running gag from the series in which Trixie is unable to exit dramatically after throwing down smoke pellets.