WOO! DOUBLE POST! Alright, I feel good!
I'm gonna use a crap ton of TF2 for this. Please don't kill me copyright.

Everything Wrong With: What's Faster... Light or Sound?
(spoilers!)
Possibly

Celestia sat in the noon sun accompanied by her sister, Luna, plus Twilight and her friends. They sat on a picnic blanket covered with plates that were previously piled high with food.

Pancakes? 1

“Thank you princesses. It was nice of you to drop by” Twilight said

Comma needed. 2

air “c'mon,

Comma/caps missing. 3

“Can't... too full...”

Rainbow Dash, say this for me.

“Aww, but Pinkie, you never get full,"

Thanks. 4

Applejack kicked back on Fluttershy,

SHIP. 5

“Alrighty. What do you guys wanna play? Soccer, tag, ooh, ooh. What about hide and seek?”

I will never... stop... killing you. 6

“Do you ever fly?”

No RD, those wings are for show. 7

Rainbow Dash took the lead, soaring through the skies cockily.

SOARING THROOOUGH THE SKY!! RAINBOW'S A GUY!! 8

“Hello,”

ZUUL, MOTHERF KER! ZUUL!9

“No! She is not going to beat me. I'm the fastest ever!”

NO! STOP! THERE'S TOO MUCH MAGIC! 10

“We need to find somewhere to hide!”

Has this happened in Fallout: Equestria yet? 11

Twilight and her friends in a protective shield. She lowered the shield once the worst of the shock passed.

Can't stop the magic! 12

“What's that? I don't speak second place!”

She should have said this. 13

“Oh... my... me,”

Swearing with your own name. 14

“You're fixin' mah orchard,” Applejack frowned, causing her friends to burst into laughter.

I think she's serious.

“I'm serious."

Ah, crap. 15

Total one shot sin count: 15
Sentence: Power Outage. As in physical.

4349713
Where did you get the audio lol.

Hell, I might do one next

4349713

“Hello,”

ZUUL, MOTHERF KER! ZUUL!9

God dang it Dodo! I just can't stop laughing at this line, also good job with the TF2 references

4349923 Official TF2 wiki :3
4351313 I love nostalgia critic.