Here is how the Party begins in The Birthday Cakes.
Later, Pound Cake and Pumpkin Cake opened the door.
Pound Cake: Guys?
Pumpkin Cake: Where are you?
Pound Cake: Hmm? Where is everybody?
Pumpkin Cake: Is anypony home?
Just then, The lights turned on.
Pinkie Pie: Surprise!
Rainbow Charka: Happy Birthday!
Princess Yuna: Happy Birthday, Pound and Pumpkin Cake!
Later, The Cake Twins started opening their birthday presents.
Pound Cake: (opening his first present) I've got a new lunchbox with the Elements of Harmony Symbols.
Pumpkin Cake: (opening her first present) We've got some new bed sheets with Princess Celestia and Princess Luna's symbols.
Pound Cake: (opening his second present) A new wonderbolt uniform!
Princess Yuna: Wow!
Pound Cake: (opening his present from Bart Simpson) Bart got me a new a slingshot!
Pumpkin Cake: (opening her second present) I've just got a new magic spell guide book!
Prince Indy and Princess Anna: (likes Celestia's symbol)
Prince Isamu: (likes Luna's symbol)
Princess Celestia: (laughs) You two love my symbol, Do you?
Prince Indy and Princess Anna: (happy gurgling)
Princess Luna: And you love mine, Do you, Isamu?
Prince Isamu: (happy gurgling)
Princess Luna: You and your friends sure know how to make anypony's birthday a special one.
Princess Yuna: We sure did, Mama.
Pound Cake: (opening his next present) I've got my very own Battleship board game!
Pumpkin Cake: (opening her third present) I've got my own princess costume! (opening her present from Lisa Simpson) Mom! Daddy! Look! Lisa got me a new saxophone!
Mrs. Cup Cake: That's wonderful, Sweetie.
Mr. Carrot Cake: And Pinkie Pie's got something for you both.
Pinkie Pie: Ta Da! Your very own Double Seat Pedal Car!
Pound Cake: For Us!?
Pumpkin Cake: Thank you, Pinkie!
The Cake Twins: Best Birthday ever! (high hoof)
Princess Yuna: Without a doubt. (winks at the audience)