This is how The tale of the Fallen goes in My Little Pony: Megatronus' Revenge.
[The film starts with Cody cooking some pancakes while singing "Bacon Pancakes" from Adventure Time]
Cody Fairbrother: Bacon pancakes, making bacon pancakes~
Take some bacon and I put it in a pancake~
Bacon Pancakes, that's what it's gonna make~
Ryan F-Freeman: Cool singing, bro.
[Skiff the railboat arrives]
Ryan F-Freeman: Hey, Skiff. Seen Odette today?
Skiff: Yeah. She's hanging out by the lake with Fixit.
Cody Fairbrother: Which lake?
Skiff: The lake in the park.
Sci-Ryan: At least Odette joined the Autobots. As for Rothbart, well. He join the Cons.
[We see Dark Crumplezone, Ransack, Thunderblast, and Thundercracker with Sunset Shimmer]
Emmet: Hey, guys!
Sunset Shimmer: Hey, Emmet.
Emmet: What are you teaching them?
Sunset Shimmer: I'm teaching them to embrace the magic inside them and how much of it they need to use when overcoming a tough challenge.
Emmet: Awesome. I'm teaching Flain of Crystal Prep to do the same.
Sunset Shimmer: Glad to hear.
Thundercracker: If not for her, we would've died in the Black Hole.
Ryan F-Freeman: And me. Starscream is beaten by me and Galvatron.
Emmet: One thing. Why do you like Ryan, Thunderblast?
Thunderblast: I think its because he's a siren like me.
[Bumblebee watches but feels a sudden chill]
Ryan F-Freeman: Bee, you okay?
Bumblebee: I'm fine.
Thunderblast: You don't seem fine.
Emmet: I think he's feeling a great disturbance within the Force.
[Ryan then gets a vision of an evil Prime named Megatronus Prime (in his RID 2015 form)]
Megatronus Prime: (in vision) Do not say the name of Solus Prime.
Ryan F-Freeman: Solus Prime?
Ryan F-Freeman: [in vision] Why won't I say that?
Ryan F-Freeman: I think he knows someone called Solus Prime.
Megatronus Prime: [in vision] Because she is dead does not mean she must be mentioned.
Ryan F-Freeman: Solus Prime is alive somehow and he must be Megatronus.
Megatronus Prime: [in vision] Megatronus Prime no longer exists. I am The Fallen!
[In reality, Sunset notices Ryan]
Sunset Shimmer: Ryan, snap out of it! [slaps him in the face]
Ryan F-Freeman: Ow. Thank you. I needed that.
Ratchet: [off-screen] Hey! That's my line!
Ryan F-Freeman: Sorry!
[Emmet looks at Ryan]
Emmet: Are you ok, Ryan?
Ryan F-Freeman: Yeah. Thanks for snapping me out of the vision, Sunset.
Ryan F-Freeman: I saw him. The one who killed Solus Prime. His name might be Megatron.
Emmet: Not even close. Megatron named himself after Megatronus.
Ryan F-Freeman: You're right, Emmet. And Megatronus is one of the 13 original Primes like Ryantinal and Ryantessa. But, he betrayed his comrades and killed Solus Prime.