Optimus's Birthday Party! The Heroes Alliance Celebrate

Optimus's birthday takes place before the ending and after all the villains especially Chaos, Megamo, and Hellspiral are defeated.

STORY: (At the Kitchen...) (The cake and icing is completed) (The victory party starts)
 * Arcee: (quietly) He's coming! Shhh! Hide!
 * Ironhide: Hurry! Hide under that couch, Perry! And you, Barry Allen! And you, Batman, hide in that table! Ace Bunny, hide underneath the cushion!
 * All Heroes Alliance Members: (repeated) Hide!
 * Ironhide: I'll hide myself!
 * Arcee: (after she gets a knock on the door) Is that you, Optimus?
 * Optimus Prime: Yes, It is I. OPEN THAT DOOR! (Arcee opens door)
 * Arcee: Oh, Optimus, you are so well dressed for the occasion!
 * Optimus Prime: Aw, shucks. I always wanted to see my heroic forces...
 * Arcee: They are not in.
 * Optimus Prime: What? ON MY BIRTHDAY?!?!
 * Everyone except Optimus Prime (when they jump out of everywhere): SURPRISE!!!!!!!!!
 * SuperTed: Told you so, Ironhide!
 * Danger Mouse: Happy Birthday, Optimus!
 * Ace Bunny: I hope you done well...
 * Perry the Platypus: It's thanks to Elizabeth Thornberry that I can now talk to you.
 * Superman: Optimus, why don't you say a word to Perry?
 * Optimus Prime: I will. Perry, what cake are the Smurfs making for me?
 * Perry the Platypus: OH! It's a giant cake with all the symbols we have!
 * Sailor Moon: It's a giant birthday cake with the symbol of the Heroes Alliance on it!
 * Shoutmon: And blue candles for good triumphing over wickedness!
 * Spider-Man: Party food from your friendly neighborhood Spider-Man!
 * Deadpool: Is this the end of the show already, Papa Smurf?
 * Papa Smurf: Not yet. Until sunset.
 * Jason Lee Scott: When will we celebrate his birthday?
 * Brainy Smurf: I know mid-day already.
 * Smurfette: We defeated Gargamel, remember?
 * Deadpool: I defeated Sinister... And there is his diamonds, which I stole from the now-defunt Museum of Evilland.
 * Clumsy Smurf: I'll put the icing on once the cake's baked.
 * Isaac: Clever Smurf!
 * Clever Smurf: You called?
 * Isaac: Clever, put each symbol on the layers of cake.
 * Clever Smurf: Perfect!
 * Hefty Smurf: Evil ne'er knew what hit it.
 * Mega Man: The party's starting!
 * Pac-Man: The candles... Are there!
 * Alfred Pennyworth: I'll bring it through.
 * Everyone except Optimus Prime: (sung) Happy Birthday to you, Happy Birthday to you, happy birthday dear Optimus, happy birthday to you, and many more!
 * Jeff Tracy: 5. 4, 3, 2, 1! BLOW!
 * Optimus Prime: (blows the flames away)
 * (The scene is captured in a magical camera which is from Hogwarts. The photo comes to life)
 * Harry Potter: Abra Cadabra.
 * Leonardo: We got a victory party to celebrate so, come on down!
 * Jay Gatsby: Well done, old sport!

End of this story.