The Final Battle in the History of Final Battles/Luna gets swallowed whole

Here is how the final battle begins in The Overlord Returns.

Po, SpongeBob, Twilight, Manny, Laval, Lloyd, Emmet, Batman, Wyldstyle, Gandalf and their friends begin their final battle against the Overlord, Lord Vortech and their followers.

Po: It's over, Overlord! You and Vortech had nowhere else to go now!

The Overlord: You fools think you're a match for any of us!?

Lord Vortech: Overlord Vortech will gain us power to control all of the LEGO Dimensions!

Twilight Sparkle: Not if we take you guys down first!

The Overlord: I have the power. And you princesses don't have magic anymore.

Princess Celestia: Not unless our Chi can restore it permanently!

Princess Luna: Thanks to the Dragon Warrior!

The Overlord: Let's see how you will survive against Overlord Vortech!

Po: Let's do this!

The Overlord: This ends now!

So, SpongeBob, his friends along with Laval and his friends begin their fight with the Dark Tribes.

Spinlyn: It's over for you, Yellow Boy!

Scorm: Let's see who will triumph or not!

SpongeBob SquarePants (as the Invincibubble): Bring It On!

As the fight begins, Plankton makes his move.

Plankton (as Plank-Ton): Get a roll on this!

With one throw with a bowling ball shop rock, he took out a lot of Spiders, Scorpions and Bats.

Laval: For Chima!

Soon, Laval and his friends fought off a lot of Dark Tribe Army.

Lloyd Garmadon: Let's do it together!

Ken: We're way ahead of ya, Lloyd!

The Ninjago Ninja Team: Ninja Go!

At last, they took out a lot of Stone Army, Nindroid Army and Anacondrai Worshippers.

The Wicked Witch of the West: I'll get you, my pretties! And your big Samurai too!

Morro: No you won't!

Bansha: Don't count on it!

Samurai X: How about a little water?!

With one splash, the witch started to melt

The Wicked Witch of the West: You rust bucket! I'm melting! Melting!

As the witch melted, her hat was all what's left.

Samurai X: Good riddance.

Bansha: Now, Let's hurry and stop the Overlord and Lord Vortech!

So, they set off to help their friends while they still have the time.

As for Sonic, he's determined to help Laval and the gang stop the Dark Tribes.

Sonic the Hedgehog: Let's rock!

Sonic ran fast enough, taking down a few bats, spiders and scorpions one by one. He then jumps in the air and slams his fist down, creating a wave that sends them packing.

Sonic the Hedgehog: Down ya go!

Gizmo: Go, Sonic!

Sloth: Yeah!

Ken: Now, we're talking!

Batman: You're going down, Mohawk!

Benny the Spaceman: It's over!

Mohawk begins his fight, Samurai X, Storming Ox and Croc had to take him down. Suddenly, Mohawk creates webs as Kai charges his fire power.

Kai: Everyone stand clear!

With one spin of his fiery Spinjitzu, the webs were on fire which caused Mohawk to burn.

Kai: That go him!

Nya: Way to go, Kai!

At last, they set off to find the others.

Meanwhile, Shifu and the others fought off Overlord Vortech.

Shifu: We must fight back!

Li Shan: Way ahead of ya, Shifu!

Tormak: We can't let the Overlord or Vortech take over the Dimensions!

Soon, they had to fight off Overlord Vortech form opening the portals.

Overlord Vortech: I control the gateways. I control the entire LEGO Dimensions!

Sensei Garmadon: Not for long!

Sensei Wu: Keep fighting!

So, they did as much as their strength can allow them.

As for the others, they had to fight off Stripe the best they can.

Sid: How tough can he be? He's gonna use water, so he'll multiply soon, and....

Then, Stripe pulls out a gun and aims it at Sid.

Sid: And he's got a gun!

As Stripe was about to fire, Razar and Vardy took him out.

Razar: Figured you could use a claw. Yes?

Vardy: That takes care of him!

Then, Stripe throws them off and fires his gun.

Sid: Duck and Cover!