Here is the transcript for Welcome to Equestria Part 1.
One day at Princess Twilight Sparkle's Kingdom.
Twilight Sparkle: Alright, Starlight, Sunset, Trixie, Are you girls ready for your magic training?
Starlight Glimmer: Ready.
Sunset Shimmer: I'm ready, Twilight.
Trixie: The Great and Powerful Trixie is always ready.
Twilight Sparkle: Good, Sunset, You go first.
Sunset Shimmer: Okay. (uses her magic then zaps at one alicorn to another and on the mirror and opens the portal) Oops.
Trixie: That was a close one.
Sunset Shimmer: Sorry, Twilight.
Twilight Sparkle: That's alright, Sunset. It takes plenty of practice.
Starlight Glimmer: Make that a lot more.
At Bikini Bottom.
SpongeBob SquarePants: Oh, Gary. I'm so excited!
Gary the Snail: Meow!
SpongeBob SquarePants: Today is the Anniversary of my Management of the Krusty Krab 2.
The door bell ring.
SpongeBob SquarePants: I hope it's my friends.
SpongeBob opens the door.
SpongeBob SquarePants: Patrick! Sandy! Squidward! Mr. Krabs! Plankton!
Mr. Krabs: Ahoy, SpongeBob me boy. Happy Anniversary!
Patrick Star: I love parties!
SpongeBob SquarePants: Me too, Patrick.
Plankton: It sure is great to celebrate.
Suddenly, The portal opens.
Sandy Cheeks: What's that?
Squidward Tentacles: I don't know, But it's sucking us in!
SpongeBob SquarePants: Hang on, everyone!
Plankton: AAAAAAAAAAAAAAAAAAAAAAAAAAHHHHHHHHHHH!!!!!!!!!
In Equestria.
SpongeBob SquarePants: Whoa!!!
Twilight Sparkle: What the hay are those guys!?
Patrick Star: What is this place?
Applejack: Howdy!
Sandy Cheeks: Golly, That gal spoke my language.
Pinkie Pie: Wow and I thought I was Pink!
Patrick Star: (laughs) I like her already.
SpongeBob SquarePants: I've never seen Ponies like you before, Who are you?
Twilight Sparkle: I'm Twilight Sparkle. The Princess of Friendship.
Spike: And I'm Spike.
SpongeBob SquarePants: Glad to meet you, I'm SpongeBob SquarePants.
Plankton: Name's Plankton. Sheldon J. Plankton.
Applejack: I'm Applejack!
Sandy Cheeks: I'm Sandy Cheeks!
Pinkie Pie: I'm Pinkie Pie!
Patrick Star: My name's Patrick Star.
Rarity: My name is Rarity.
Squidward Tentacles: I'm Squidward Tentacles.
Fluttershy: I'm Fluttershy.
Rainbow Dash: I'm Rainbow Dash!
Mr. Krabs: Please to meet yee. I'm Mr. Krabs.
Starlight Glimmer: I'm Starlight Glimmer.
Sunset Shimmer: I'm Sunset Shimmer.
Trixie: I am Trixie.
Twilight Sparkle: Would you like us to show you around Ponyville, SpongeBob?
SpongeBob SquarePants: Sure, Twilight.
As Twilight and her friends showed SpongeBob and his friends around.
Twilight Sparkle: This is Sweet Apple Acres.
SpongeBob SquarePants: So this is where Applejack's family lives?
Sandy Cheeks: Tan my fur!
Applejack: Well, Sandy, If you think that's impressive, You should meet my family.
Sandy Cheeks: I'd be glad to meet them, Applejack.
Applejack: Okay, Sandy. This here's my family, Granny Smith, My Big Brother, Big McIntosh and my younger sister, Apple Bloom.
Apple Bloom: Nice to meet y'all.
SpongeBob SquarePants: Glad to meet you guys too.
Granny Smith: Well, I'm sure glad to have new comers.
Big McIntosh: Eeyup!
SpongeBob SquarePants: It's been nice meet you, Twilight and her friends were just giving us a tour, See ya.
Later, At Cloudsdale.
Rainbow Dash: This is Cloudsdale.
Mr. Krabs: So, This is where you and Fluttershy once lived.
Fluttershy: Yes, Until I got a new Cottage filled with animals and I've been taking care of them ever since.
Spitfire: Yo, Rainbow Dash, How's it goin'?
Rainbow Dash: Goin great, Guys, Meet Soarin and Spitfire.
Soarin: Nice to meet you.
Spitfire: What's up?
Sandy Cheeks: Nothin' much.
Rarity: Would you like me show you my Carousel Boutique?
Patrick Star: You bet, Rarity. See you later, Spitfire! Bye, Soarin!
At the Carousel Boutique.
Rarity: This is my Carousel Boutique.
Sandy Cheeks: This looks fancy.
Sweetie Belle: It sure is.
Rarity: This is my little sister, Sweetie Belle.
Squidward Tentacles: Well, It's sure is nice to meet you.
Sweetie Belle: Nice to meet you guys too.
Pinkie Pie: My turn, I wanna show you guys Sugar Cube Corner.
Mr. Krabs: Well then, Pinkie, Lead the way.
At the Sugar Cube Corner.
Pinkie Pie: This is Sugar Cube Corner.
Patrick Star: Wow.
Mr. Carrot Cake: Hello there.
Pinkie Pie: This is Mr. and Mrs. Cake, Their nephew, Marble Cake and their baby foals, Pound Cake and Pumpkin Cake.
SpongeBob and Patrick: Aawwww.
Mr. Krabs: Please to meet you.
Marble Cake: Pleasures all mine.
Mrs. Cupcake Cake: We're just glad to have guests.
Suddenly, Something went wrong.
SpongeBob SquarePants: Uh-oh, Something must be wrong.
Spike: it's Queen Chrysalis and her Changelings, They're at Canterlot!
Sunset Shimmer: Princess Celestia and Princess Luna might be in danger, Come on!
When they got to Canterlot, It was too late.
Queen Chrysalis: You're too late.
Twilight Sparkle: Celestia! Luna!
Princess Celestia: Twilight!
Princess Luna: (was stuck to the floor) Queen Chrysalis is holding us as prisoners
SpongeBob SquarePants: Oh, no!
Squidward Tentacles: Oh please.
Rarity: You despicable tyrant.
Princess Celestia: You won't get away with this.
Queen Chrysalis: I already have. (evil laughs)
To Be Continued