Here is how Meeting The Simpsons and Visiting the Kwik-E-Mart goes in The Cake Twins' Springfield Vacation.
At the Simpsons' house.
Pound Cake: Hey Everybody!
Pumpkin Cake: Hi, Bart! Hi, Lisa!
Bart Simpson: S'up, Cake Twins.
Homer Simpson: Hi, Pound Cake! Hi, Pumpkin Cake!
Bart Simpson: Hi, Fatty!
Homer Simpson: WHY YOU LITTLE?!
Bart Simpson: (gagging while getting strangled by his father)
Marge Simpson: What brings you two all the way from Equestria?
Pound Cake: We're here on vacation.
Pumpkin Cake: We were just here to have a great time in Springfield.
Marge Simpson: That's great to here.
At the Kwik-E-Mart.
Apu Nahasapeemapetilon: Ah, Hello, Cake Twins! Welcome to the Kwik-E-Mart! Can I help you?
Pound Cake: I would like to buy a box of a dozen doughnuts.
Pumpkin Cake: And some Bu Cola.
Pound Cake: (gives Apu the money) Here's the amount of money.
Apu Nahasapeemapetilon: May I recommend two new flavors of Buzz Colas?
Pound Cake: Wow!
Pumpkin Cake: (spotted all kinds of Buzz Cola: Original, Vanilla and Cherry) Vanilla and Cherry! (gives the exact amount of money) Her, Apu
Pound Cake: Let's go.
Pumpkin Cake: Coming, Pound Cake.
Apu Nahasapeemapetilon: Thank you, Come Again!