After the places that the visited and get a lot of power up, Sonic and his friends were ready for the biggest challenge: the real battle

Sonic: Are you ready for this Catboy?

Catboy: I'm ready Sonic

Tails: Is everyone ready for this?

Everyone: Yes!

And everyone went to the entrace of the city where Eggman and the other villains were waiting

Eggman: Well... if isn't my blue hedgehog and his kitty friend

Romeo: You came just in time!

Catboy: Just in time for what?!

Eggman Nega: To try to defeat us!

Sonic: Well, that is the thing that would happen!

Night Ninja: Or maybe not...

Shadow: What do you mean?

Night Ninja: Just look at this!!

And then some dark creatures appeared and they had the forms of Sonic and the others

Sonic: WHAT?!

Catboy: HUH?!

Shadow: What is this?!

Silver: No way!!

Vampirina: WHOA!!

Chase: Those are...!!

Skye: Our dark forms!!

Eggman: Hohoho! That's right and they have the job... of destroying you!!

And then, the Dark Sonic was gonna punch Sonic and Catboy to smash them

Sonic: Oh no! Not this again!

Catboy: Sonic!! RUN!!

When Sonic was about to run, he get a flashback about what happened when he and Catboy lived that moment...

Flashback:
The battle with Chaos an the moment when he was gonna smash Sonic

Catboy: Sonic!!! (Pushing Sonic)

But Catboy saved him, but instead he get smashed

Sonic: Catboy!!!

He is on the ground very hurt and almost dead

Sonic: NOOO!!!

After that flashback, Sonic pushed Catboy away

Sonic: No! I won't let this happen again!

Catboy: Sonic! No! (Gets pushed by Sonic)

And then Sonic get smashed by his dark form

Catboy: Sonic!!!

Amy: No! My Sonic!

Tails: No... not now!

Shadow: He's... dead?

Silver: This time... he may be dead...

Ryder: What?!

Skye: Oh no...

Chase: No way! Sonic!

Catboy:(thinking) He... gave his life for me? Like I did for him?

Blaze: Catboy? Are you okay?

Catboy:(crying) No... not you Sonic... you said that we will be friends forever... you don't wanna end like my father's family...

Eggman: Well now... WHAT?!

???: Leave them alone!!

And out of nowhere, An-Yu appeared...

Everyone: An-Yu!!!

Catboy: But... how?! 

Eggman: You were suposed to be in that gong, how did you get out?!

???: I helped her

And then a girl with silver hair and a black mask appeared behind An-Yu

Owlette: Luna Girl?!

Motsuki: Sister!!!

Tails: That's your sister?!

???: And they are not alone!

And then two adults with brown hair appeared, they were Catboy's parents! (They got brown eyes too instead of blue like their son) their names are John and Catherine

Catboy: Mom! Dad!

Blaze: Those are your parents?!

Catboy: Yes...

John: Don't hurt our son!

Romeo: Your son?!

Silver: How... how do you know that is your son?!

Catherine: We always knew it, since forever

Owlette and Gecko: What?!

Eggman: No matter! Our dark creatures will stop you anyways!

An-Yu: No way that's gonna happen!

Luna Girl: Yeah! We can stop them!

Tails: Can we help too?

An-Yu: Yes, you can join too!

Everyone started fighting the dark creatures with the powers, but... Catboy wasn't...

John: Connor, why aren't you helping your friends?

Catboy: I can't... not without my friend Sonic...

Catherine: The hedgehog you are holding is Sonic?

Catboy: Yes mom... he risked his life for me... like a good friend and a hero will do

Catherine: Really?

Catboy: Yes... and he is just like... a brother to me...

And then... Sonic's body started to glow a green light that make him... come back alive!

Catboy: Huh?!

Sonic: Catboy! You saved me!

Catboy: Sonic!!

Sonic: Hey! Your body is glowing as well!

Catboy: Whoa! You're right!

Tails: Sonic?! You're alive!!

Amy: No way!! Sonic!!

Ryder: How did he come back?

An-Yu: Cause his true heroic actions have done a lot of good things happen

Catboy: Sonic! Maybe when you didn't wanted me to get smashed again, it was a good action

John: Again? Did my son get smashed like the hedgehog?

Shadow: He did... to save Sonic's life...

An-Yu: Now that your emerald powers are back, it's time you do the hard part!

Sonic: Alright! Shadow, Silver, Catboy, Vee, Chase, Skye; are you ready?

Catboy: Ready when you want Sonic!

Shadow: I will take care of this!

Silver: I'll do it too!

Vampirina: I will help you!

Chase: Chase is on the case!

Skye: And me too!

And the seven used their Super form to get rid of the dark creatures and also from the villains. And the heroes won!

Sonic:(back to his normal self) Phew! I'm tired

Catboy: Yeah! Tell me about it

All Team Sonic: Sonic!!!

Tails: Sonic! You're alive!

Knuckles: And it all thanks from our hero and friends actions

Amy: Sonic!

Sonic: Ames!

Amy kissed Sonic of happiness that he was alive and the others gave a group hug

Tails: Motsuki? Where are you?

Motsuki: Sister!

Luna Girl: Motsuki? You are here!

The two lunar sisters were happy to see each other

Tails started to walk away, but Motsuki stopped him

Motsuki: Tails, where are you going?

Tails: Um... nowhere...

Luna Girl: Who is this little fox?

Motsuki: Is Tails... my boyfriend

Tails: Your... boyfriend? But I thought that you will be evil again

Motsuki: No! Motsuki doesn't want to be evil anymore, because Motsuki loves Tails

Luna Girl: Do you love him? And do you love her too Tails?

Tails: Yes... I do love her... I hope you're not angry Luna Girl

Luna Girl: I'm not, cause I think that being a villain was enough for me

Motsuki: Yes! Tails, I promise I will love you just like you did with Cosmo

Tails: Thanks Motsuki...

Then Catboy's parents and Blaze ran to him to give him a hug

Blaze: Catboy...

Catboy: Blaze!

Blaze kissed Catboy on the cheek

John and Catherine: Our son!

Catboy hugged his parents...

Catboy: Dad... I'm sorry if I leaved the house a lot of times, but it was my job to protect the city and all the world

John: It's okay son, it was your duty to do it, you can go anywhere you want to explore now

Catherine: And you can live anywhere you want with your friends

Catboy: Thank you... I love you two so much!

Sonic: Excuse me, Mr. John? Can your son move out to Bygone Island with me and my friends?

John: Yes Sonic, my son can live with you and your friends

Sonic and Catboy: Yes!

An-Yu: And you will always return to the city in case the is any trouble?

Catboy: Sure An-Yu, I will...

Sonic and Catboy now thinked that their lives are gonna change and that they won't be separed anymore. Could it be true? We will find out...