Bonus episode on the Crystal Princess DVD.

Greetings from Unicornia (G3 Direct-to-DVD Short, 2006, 8 minutes)

Summary: Rainbow Dash goes on tour in Unicornia.

Rainbows delivering mail.

Rainbow Dash is visiting the Unicorns.

Rarity's horn changes size from scene to scene.

Puzzlement has an odd accent compared to the other ponies.

Wait, the ponies are *riding* the rainbow.

That's a nice round. You don't hear them very often anymore.