The Warners are owned by Warner bros. and mlp is owned by Hasbro. I own nothing.

We start our story inside a castle library where we see a white unicorn with wings (Princess Celestia) cleaning the book cases. But then a bright flash of light appeared revealing three dog humanoids with red noses, a tall one in brown pants, a middle one wearing a light blue shirt and a red hat, and a little one in a pink dress with a pink bow on her head.(Yakko, Wakko, and Dot)

Yakko: Well gang I guess Dr. Scratchensniff's dimension transporter actually worked.

Dot: You sad a mouthful.

Then Princess Celestia walks up to them.

Celestia: Can I help you?

Yakko then gave Celestia a big smooch.

Yakko: Yakko Warner nice to meet ya. This is my brother Wakko and sister Dot.

Then Wakko and Dot gave her a big smooch.

Celestia: What is the meaning of this?

Yakko: Sorry we left our dictionary at home.

Celestia: ...Don't you know who I am?

Then the Warners are in game show buzzer desk things and Yakko hits his buzzer first.

Yakko: You're Princess Celestia ruler of all Equestria?

Celestia: Correct.

Yakko jumps around with glee.

Yakko: Yay I won, I won! What'd I win?

Yakko hangs on Celestia's neck.

Celestia(confused): Nothing.

Yakko: Hey what kind of game show is this?

Celestia: This isn't a game show.

Yakko: I'll say no one wins anything.

Celestia shoves Yakko off her neck.

Celestia: Would you please cut the shenanigans.

The Warners put on barber shop uniforms and hold scissors.

Dot: What part do you want us to cut?

Celestia gave a confused look and the Warners changed back to their regular clothes.

Celestia: Listen all I want to know is how you got here.

Yakko: Hmm, well you see when a mommy and a daddy love each other very much...

Celestia(annoyed): Not that.

Yakko: Okay, when a group of animators, writers, and a director come together to think of an idea for a cartoon...

Celestia: I men't how did you get in my castle.

Yakko: Oh that? Well we teleported here.

Celestia: You teleported here.

Yakko, Wakko, and Dot: Yep.

Celestia: Do you have a way to get back?

Yakko, Wakko, and Dot: Nope.

Celestia:(This is going to be harder than I thought) Well then I guess I'll have to look for a teleportation spell.

Wakko: Why?

Celestia: So I can get you three home.

Dot(sad): You mean you don't like us?

Celestia stopped and turned to them.

Celestia: Wait I didn't say that.

Yakko(sad): No we get it, we know when we're not wanted. Come siblings lets go out into the wilderness and starve to death.

They started heading out but Celestia closes the door using her magic.

Celestia: Will you kids calm down and listen.

Celestia walks up to them.

Dot: Oh this is a fairy tale show?

Celestia: Well this is a little girl's fantasy.

Yakko: Actually we're in Wakko's fantasy.

Wakko appears on Celestia's back petting her mane.

Wakko: Nice horsey.

Celestia turned to Wakko then smiled. Then lifted him off with her magic.

Celestia: Now then how about helping me find a spell to get you back home. Not that I want you to leave. It's just that I thought you might want to get back.

Yakko: Oh gotcha. Don't worry about that we'll search this place top to bottom.

The Warners then started to search the place making a mess of the library. With books and scrolls all over the place.

Yakko: Don't worry about the mess we'll clean this place up and search again.

Celestia: No! I mean no that's quite alright. I can handle it from here.

Dot: Suit yourself. By the way you need to get new reading material this stuff seems really dated.

Dot throws a book away and Wakko starts eating another book.

Wakko: And stale.

Celestia takes the book away from Wakko.

Celestia: I'll keep that in mind. Look why don't you have a look around...Ponyvile.

Yakko:...Quick question, was the guy naming the town lazy or ran out of ideas?

Celestia gave an annoyed look to Yakko.

Yakko: Okay I got it.

Then a dark blue Alicorn with black spots and a crescent moon on her flank (Princess Luna) came in.

Luna: Sister is everything all...

Yakko and Wakko ran up to Luna and went goo-goo eyes for her.

Yakko and Wakko: Helloooooo pony nurse.

Luna:(blushes)I see we have guests.

Celestia: Yes and they were just going to Ponyvile.

Wakko: Can she come with us?

Celestia: No.

But Yakko and Wakko couldn't stop staring at Princess Luna. Then Dot walked up to them.

Dot: I got this.

Dot took a very deep breath.

Dot(shouting): She's a blue horse with wings and a horn on her head! Get over it!

Because of her yelling Yakko, Wakko, and Princess Luna were flung into the wall.

Dot: Boys.

Celestia just gave another confused look.