PMV Fast Lane - Starring arco iris, arco-íris Dash & Pinkie Pie

Back at Canterlot.

Princess Celestia was sitting por herself, probably lost in thought.

When suddenly prime Spike's letter finally reached her.

"Ohh, what's this about" Celestia thought outloud, as she opened to letter.

Dear Princess..
Twilight wasn't so sure it was worth sending you this letter. Believing you won't take us seriously about such things, and maybe you won't, but I'm letting you know anyway. Rather you believe me or not. Some dobblegangers escaped into our universe, and I'm hoping that maybe your know a way to bring them back.. And far far away from me.
Signally yours.
Pinkie Pie.

But...

Luna turned her head quickly. ''What was that?'' she questioned. She was scared because they might reveal her to Princess Celestia. Luna walked slowly to where the noise was coming from. It sounded like a snake. ''He-hello?'' Luna said aloud. ''Is anyone there?'' King Sombra heard the voice. he smirked and said, ''If I can get the Princess under my spell, I can get the crystal heart.'' Sombra got closer to the voice. Princess Luna gasped and said, ''Who are you?''. 'I'm Celestia's worst enemy.''King Sombra replied. ''What did you do to her?'' asked Luna. ''I'll tell you the story....''.

''Twilight!...

"Now, can anyone tell me how a Sonic Rainboom is made? Anyone? Fluttershy. Would you like to try?"

I snapped back to reality after my beautiful daydream. Looking around, everypony was staring right at me. I hid behind my rosa, -de-rosa mane and squeaked.

"C-Could y-you r-repeat th-the q-question, M-Mr. S-Skyhigh?" I mumbled, my voice barely audible than usual.

"How is a Sonic Rainboom made?"

I paused for a moment. I was about to answer his pergunta until I heard a, "Ooh! Me! Me!"

A few desks behind me was arco iris, arco-íris Dash, the most popular filly in Junior Speedster Flight Camp. She was waving her hoof around...