Rainbow Dash loves the time of year when Ponyville and Breezie Blossom are all about celebrating rainbows. Meanwhile in a new magical place called Unicornia, Rarity is being taught how to be a Unicorn Princess and the importance of making the first rainbow of the season. But she is quite a little rascal and embarks on an incredible ride, a huge adventure (with lots of mishaps) as she tries to get back to Unicornia. Rarity soon realizes that getting home in time to create the first rainbow of season is not an easy thing to do --- but it is fun!
| Actor | Role |
|---|---|
 Kathleen BarrSweetberry (voice) | Sweetberry (voice) |
 Maryke HendrikseBrights Brightly (voice) | Brights Brightly (voice) |
 Janyse JaudPinkie Pie (voice) | Pinkie Pie (voice) |
 Adrienne CarterSunny Daze / Coconut Cream (voice) | Sunny Daze / Coconut Cream (voice) |
 Brian DrummondSpike (voice) | Spike (voice) |
 Andrea LibmanZipzee (voice) | Zipzee (voice) |
 Britt McKillipTra La La (voice) | Tra La La (voice) |
 Kelly SheridanCotton Candy (voice) | Cotton Candy (voice) |
 Tabitha St. GermainMinty / Wysteria / Triple Treat (voice) | Minty / Wysteria / Triple Treat (voice) |
 Chantal StrandTiddlywink (voice) | Tiddlywink (voice) |
 Cathy WeseluckRarity (voice) | Rarity (voice) |
 Brittney WilsonWhistle Wishes (voice) | Whistle Wishes (voice) |
 Venus TerzoRainbow Dash / Sparkleworks (voice) | Rainbow Dash / Sparkleworks (voice) |
| TTracey MooreCheerilee (voice) | Cheerilee (voice) |
 Laura DeanBow Tie (voice) | Bow Tie (voice) |
 Jillian MichaelsRazzaroo (voice) | Razzaroo (voice) |