This is the Third Episode of Sonic Underground: Crossover

(This is Part 3 of 3 in this Episode)

Character Debuts: Knuckles, Chomps


Queen Aleena: (Narrating) The next group we see is The Piraka & the Hero Factory Villains, they must figure out a way to get back to the Van, but they have been seperated by the Bright Light, but this time they learned that Teamwork is an amazing option

(We see the Floating Island)

Zaktan: Ow, what happen? Guys? Where are you?

Reidak: We're right here, Zaktan

Zaktan: There you...(Notices Reidak, Hakann, Vezok, Avak, Thok & Xplode as Hedgehogs, Meltdown as a Yellow Crocodile with a Right Snake Arm, Thunder as an Grey Echidna, Corroder as a Green Crab & Rotor as a Two-tailed Orange Fox still has his Rotor on top of his Body, still a Giant)...Dear Neptune

Hakann: What?

Zaktan: Take a look in that Pond over there

Vezok: Fine as long as you look first, you've changed into a Green Hedgehog

Zaktan: I'm a what?

Avak: Just look

Zaktan: Ok

Thok: Alright

Meltdown: Fine

Xplode: It betta be good

(They looked at the Water to see that they been turned into Mobians)


Rotor: COOL!

Meltdown: How'd did that happen?

Thunder: I don't know, but my Fist have Grown Large

Corroder: By the way, where are we?

Avak: I don't know

Zaktan: So we just gonna walk around all willy nilly or do we have to find our friends

Vezok: Hmmmm? Let me think. I got it, uhhh, do you remember when you...uhh, uhhhh....

Zaktan: Find help?

Vezok: Yeah, find some help

Hakann: And we betta watch out for....(they fall into a Hole) TRAAAAAAAAAAAAAAAPS!!


Reidak: Ow my legs!


(The Piraka & the Hero Factory VIllains woke up & notices a Red Echidna named Knuckles)

Knuckles: You should've back away when you had the chance. But now you get to be dinner.

(The Piraka & the Hero Factory Villains also noticed that they're tied together to a Rotisserie)

Meltdown: Are you gonna eat us?

Knuckles: No

Meltdown; Thank goodness

Knuckles: But Chomps will

Reidak: Chomps? Who is Chomps?

Chomps: (Appears) (roars)

Hakann: Is that a Dinosaur?

Vezok: Oh tell me about it

Knuckles: (Notices Vezok) Sonic? Is that you?

Vezok: Huh? Who's Sonic?

Knuckles: Hmmmm? Chomps, do you he looks like Sonic

Chomps: Uh-Huh

Zaktan: Very clever

Knuckles: Hmmmmmmm? Where are you Sibilings?

Vezok: What are you talking about?

Knuckles: Where'd you get that Harpoon?

Vezok: It's my Weapon

Knuckles: Whatever this is Sonic, your not getting away with this weapon

Xplode: (Facepalms) This is going to be a very long week

(The Camera cuts to Spongebob, Patrick, Squidward, the Ed's & the Triplets)

Spongebob: (Still Running) Where are we gonna find our remaining Friends?

Sonic: Maybe Knuckles can help us

Squidward: Knuckles?

Sonia: He's the Guardian of the Floating Island, maybe he can help

Ed: Polly want a cracker!

Eddy: Shut up Ed

Manic: We had to fly or something

Edd: STOP!

(They all stopped)

Edd: I think I'm gonna be sick

Spongebob: So Eddy is a bee, but he can't carry us all at the same time

Patrick: (Notices 10 Trashed-up Flying Swatbots) Look!

Sonia: Hey, Patrick found what we are looking for

Sonic: Oh no, do we have to fly in this Trashed-up Bot again

Manic: Sorry it's the only way

Edd: Maybe I can help, I'm good at Technology

Sonic: Ok, good luck

Squidward: Oh brother

(The Camera cuts back to the Piraka, The Hero Factory Villains & Knuckles)

Knuckles: You don't fool me Sonic

Vezok: For the last time, I'm not Sonic! I'm Vezok!

Hakann: By the way, how do you suppose a Giant Flying Robot with Passengers on them flying to our Island

Knuckles: It must be a Swatbot

Thunder: A what?

Knuckles: It's a long Story

(Back with the Triplets)

Edd: (Flying in the Giant Airplane)

Eddy: Nice work Double D

Edd: Why thank you Eddy

Spongebob: Are you sure, this Knuckles guy have found the rest of our Friends?

Ed: I have no idea what you said Spongebob

Edd: Well this Plane is been made by 10 Flying Swatbots (Notices the Red Light Flashing) What's this?

Squidward: Is that missiles HEADING RIGHT STRAIGHT FOR US ?!?!?!

Eddy: Double D, it's my turn to fly this thing (Shoves Edd out of the way & steers the Plane insted)

Edd: Eddy!

Eddy: Yikes! (Trying to dodge the Missiles)

Sonia: Deja vu?

Sonic: Deja vu

Eddy: What do you mean "Deja vu"?

(One of the Missiles hit the Plane)

Manic: That's why?

Ed: We're under Attack!

(The Plane is about to crash)

Eddy: Help, Mayday, mayday.

Patrick: I don't even know what that means (Screaming)

Knuckles: Direct hit (Notices the Triplets on the Plane) Oh No, what have I done? Cease Fire, their Friendlys again. Deja vu?

Xplode: You know over & over again.

Rotor: Oh dear, I'll save them. (Flys up to the Falling Plane & grabs the Triplets, Spongebob, Patrick, Squidward & the Eds)

(The Plane crashed landed on the Island, after that it goes into pieces)

Rotor: (Lands & puts them down)

Sonic: Thanks, big guy.

Rotor: No Problem (Dumb Laughing)

Spongebob: We know that voice from anywhere, it's Rotor

Sonic, Sonia & Manic: Huh?

Zaktan: Guys, is that you

Eddy: Zaktan

(Spongebob, Patrick, Squidward, the Ed's, the Piraka & the Hero Factory Villains hugged each other & stops)

Knuckles; You know them?

Sonic: And you know them?

Spongebob: Yes

Reidak: And Yes

Sonia: But how?

Eddy: Queen Aleena summoned me, my two best Pals & the others too

Manic: You mean, Spongebob, Patrick, Squidward, Ed, Double D & You

Eddy: Yep

Knuckles: And the Piraka & those Monsters

Xplode: Hey, we resent that

Meltdown: By the way, yes

Sonic: But why would Mother sent you to Planet Mobius

The Piraka & the Hero Factory Villains: Planet Mobius?!

Knuckles: It's a long story

Spongebob: Well...When my New Friends & I saw a Hologram of Queen Aleena & she says that Mobius needs us and....

Sonia: Hold it, back up for a minute, Mother said what?

Spongebob: She said "Faithly Chosen Ones, Planet Mobius needs us, so get ready to have an adventure bigger than you can ever imagine"

Manic: I guess Mother needs you guys to help along too

Squidward: That's correct

Knuckles: I guess we betta keep going and...

Zaktan: Hold up, I got one question for the Triplets

Sonic: And what is it, Zaktan?

Zaktan: Who are you guys?

Sonia: We'll tell you in a song

Zaktan: Ohhh Boy

(The Triplets activate their Medallions & starts singing)

Come in, my friends, welcome to the party

But only if you’re one of our kind

The adventure of our life is now starting

Robotnik’s empire running out of time

We’re the Sonic Underground

Listen to our freedom sound

Hiding in the heart of the city

We plot and plan Robotnik’s overthrow

It’s a dirty job and no, it’s not pretty

Always on the run, always laying low

We’re the Sonic Underground

Listen to our freedom sound

Never know where we’ll be found

We’re the Sonic Underground

(The Song has ended)

Zaktan: It's nice to meet you & your songs are very catchy

Sonic: Thank you, after all we're the Sonic Underground

Reidak: The what?

Vezok: Never mind, let's get outta of this Island

Sonic: Thanks for finding the Others

Knuckles: No Prob Sonic

Sonic: But how are we gonna get outta here, the plane is now Shark bait

Rotor: Not a problem, Sonic. I think I got it covered (Grabs Spongebob, Patrick, Squidward, The Eds, The Piraka, Meltdown, Xplode, Thunder, Corroder & the Triplets) Hang on tight (Uses his Rotors to Fly up to the Sky) Up, Up & Away

Knuckles: See ya later Sonic

Sonic: See ya later Knuckles

Spongebob: Let's go back to Robotropolis

Rotor: Ok!

(The Camera cuts back to Robotropolis)

Xplode: Can someone tell me what's going on here?

Sonic: Well you've been turned into Mobians and...

Corroder: Mobians?! So that's why we're in these new Bodies

Spongebob: Yeah, we know that

Sonic: Can, Sonia, Manic & I have a talk in private

Eddy: Sure

Sonic: Thank you

(Sonic; Sonia & Manic Huddles up. At the same time Spongebob & his new friends huddles up as well)

(Sonic, Sonia & Manic)

Sonic: These are some wierd Mobians?

Manic: Maybe they're from Different Universes

Sonia: We don't know yet, but we have to find out together

(Spongebob & his new friends)

Spongebob: We need to help those Sibilings

Edd: Ok, they can be in danger to say the least

Avak: Ok, it'll be a since

Thunder: We have.....uh, how many are there again?

Eddy: 3, you knuckle head

Thunder: Oh yeah, 3 Hedgehog Sibilings to protect

Thok: I guess we can believe in ourselves

Patrick: Yeah

Spongebob: Let's help the Sonic Underground & BREAK! (To Sonic, Sonia & Manic) Sonic, Sonia & Manic, it's time for us to help...(Notices that they are gone)

Squidward: Where'd they gone to now

Ed: Eye Spy with my little eye, something that is Blue, Pink & Green with Grey

Eddy: (Notices Sonic, Sonia & Manic have been captured by Swatbots) Oh Man, we gotta save them

Hakann: And their headed for an Egg Shaped Fortress over there (Points to Robotnik's Base, which is Dark Grey)

Xplode: Let's go save them

All: Right !

Spongebob: Come on, let's go save them

(Our Heroes headed to Robotnik's Base undetected)

(In Robotnik's Base)

Dr. Robotnik: Yes! Yes! Yes! We caught them at last

Sleet: But what about the Others?

Dr. Robotnik: Never mind that.

Sonic: You know that we're not gonna be here for long Ro'butt'nik.

Dr. Robotnik: Robotercise them


Rotor open the Air vent Door easily

Rotor: Let's go in

Edd: But there's Bacteria in them

Eddy: Shut up, Sockhead & let's go in

Spongebob: Come on, we don't have time to lose

(They all headed inside the Airvents with Eddy in front of them & Rotor from behind)

Eddy: This way hurry

Dr. Robotnik: I shall rule all of Mobius!

Squidward: Guys, I'm stuck

Eddy: Me too

Vezok: We're all stuck

Xplode: Rotor, give us a push

Rotor: Okey Dokey (Pushes our Heroes through a Hole in the Air Vent leading to Robotnik's Throne Room)

Dr. Robotnik: (Looks up & notices our Heroes about to crash on top of him & his eyes widen) AHHHHHHHHHH!!!!

(Our Heroes falls on top of Robotnik, including Rotor)


Rotor: Whoopsie Doopsie

Dr. Robotnik: (Muffled) Gef Offa me you moruns!

Sonia: Guys! We're waiting!

Ed: (Notices the Controlls of the Roboticiser) Is it on? (he Accidently breaks the roboticiser) Oops

Eddy: Nice one Ed

Sonic, Sonia & Manic are free

Sonia: Thanks for saving us

Reidak: Your welcome

Zaktan & Avak: (Grabs Dingo & throws him at Sleet)

Dingo: LOOK OUT!

Sleet: What? Oh No!


Sleet: Ouch!

Dingo: Yeah Ouch!

Spongebob: Let's get outta here

Sonic: Our Medallions are drained, they need to recharge

Spongebob: Then let's zoom outta here

Sonic, Spongebob, The Piraka & Xplode: (Grabs our Heroes & Runs away outside of Robotnik's Base)

Dr. Robotnik: (Feels dizzy) What happen?

Sleet: They got away sir, by those newbie Mobians

Dr. Robotnik: You mean the ones not from Mobius

Sleet: I'm afraid so, but we had a picture of that Yellow Pest

Dr. Robotnik: (Scans the Yellow Fast one & it's Spongebob) A YELLOW HEDGEHOG?!?!?!

Sleet: We didn't get the name of him & the rest of them & their Data is Unknown

Dr. Robotnik: GRRRRRRRRRRRRRR!!!! You & Dingo better figure out who those Mobians are before I had to roboticised you two

Sleet: Yes sir

Dr. Robotnik: Whoever they are, they are tough to beat.


(The Camera cuts back to our Heroes)

Sonia: (Founds her Pink Motorbike) Found my Bike

Manic: (Founds his Hoverboard) I found my Hoverboard

Rotor: (Hovering with his Rotors) (Dumb Laughing)

Spongebob: I wonder where's our Van?

Sonic: You have a Van?

Eddy: Bingo (Spots their Van from Before, but it was destroyed) Ahhh! What happen?

Manic: Your Van is now Trashed

Squidward: It's must've been destroyed by those Swat-whatyoumaycallits

Sonic: But not a problem we have a van of our own (Shows them their Van)

Patrick: Cool !

Sonic: Way past cool !

Sonia & Manic: (Puts their Vehicles in the Van)

Sonic: We'll be cruising in the Van in no time

Squidward: It's better than walking

Vezok: Ok, Let's go in

Sonia: Hey, you look just like Sonic

Vezok: I know that

(Everyone goes inside the Triplets' Van)

Xplode: Wow it has room

Rotor: Ok

Sonic, Sonia & Manic: (Sits in the Front)

Sonic: Hold on everyone, let's juice & jam time

Patrick: What is he talking about?

Sonic: (Drives the Van)

Spongebob: Let's do it, to it ! Hey I did it again

(They drove away)

Ed: Wow, that was a great Catch Phrase you came up with. By the way, What does that mean?

The End