Here is how Saved by the Maximals and The latest discovery of Equestria goes in Yuna, Stewie and Brian.
Then, There was a huge bust on the opening.
Tigatron: Need a helping hand, Princess?
Airazor: And I see Brian and Stewie were with you too.
Princess Yuna: Tigatron! Airazor!
Stewie Griffin: We're Saved!
Brian Griffin: Are we ever glad to see you two.
Princess Yuna: Let's get out of here.
Back in the castle.
Rita's Brother #1: What's taking so long?
Rita's Sister: I'm so board!
Hugo: (looked at his watch)
Rita the Fox: (pacing herself)
Hiro: Here they come now!
Moon Starlight: This is so exciting!
Princess Luna: It's a big day for our daughter.
Prince Isamu: (happily laughing)
King Solar Flare: My own granddaughter has made a remarkable discovery.
Princess Yuna: Okay, Guys. Are you two ready?
Stewie Griffin: Ready.
Brian Griffin: Here it goes.
Sylveon: I'm so happy for Brian.
Princess Cornelia: Congratulation to the two of you!
Duchess Petunia: You have found the latest discovery in all of Equestria!
Queen Georgina: (as she and the other three brought out the key to Hogwarts Castle) We here by award you two the Key to Hogwarts.
Empress Samantha: Our doors will forever and always be opened to you and your friends.
Princess Yuna: I couldn't have done it without Brian and Stewie.