The Overlord Returns

The Overlord Returns is a crossover film based on Ninjago Season 3: Rebooted, The LEGO Ninjago Movie, Ice Age: Dawn of the Dinosaurs, and LEGO Dimensions and a sequel to The Overlord Unleashed and the second installment of the Overlord Unleashed trilogy.

Summary
With the Overlord returning from Tartarus along with the Preeminent and their alliance of evil rising with the help of Lord Vortech, Po, SpongeBob SquarePants, Twilight Sparkle, Laval, Lloyd Garmadon and all of their friends will gather help from X-PO, Gandalf, Emmet Brickowski, Wyldstyle, Batman, and their LEGO Alliance to save the LEGO Dimensions from them.

Laval and Li'Ella are having a baby/Learning the Silent Fist Technique
Our story begins one day in Chima, Laval and his new wife, Li'Ella are expecting a baby, which leaves Laval anxious to ensure that everything is perfect for when his baby cub arrives. As for King Lagravis and Tormak, they were looking forward being grandfathers. Meanwhile at Ninjago, Sensei Garmadon and Lloyd were doing a father and son teaching with Po, Tigress, Viper, Monkey, Mantis, Crane, SpongeBob SquarePants, Patrick Star, Sandy Cheeks, Squidward Tentacles, Mr. Krabs and Sheldon J. Plankton to learn the Art of the Silent Fist, knowing how to fight without fighting. While Garmadon demonstrates with Po, Lloyd does the same thing to SpongeBob as they entire themselves a lot.

X-PO arrives in Equestria from the LEGO Dimensions/Meeting Twilight and her friends
Meanwhile at the Castle of Friendship in Equestria, Spike was working on the agenda when he saw a spark of distance coming from the throne room. As Twilight Sparkle, Applejack, Fluttershy, Pinkie Pie, Rarity, Rainbow Dash, Sunset Shimmer, Starlight Glimmer and Mirage the Illusionist took at look, they met a strange figure from another dimension called X-PO. When he explains about the LEGO Dimensions since Chima and Ninjago, Twilight offered him a job as his number two assistant and Spike's new helper as he accepts. Just as X-PO shows the blueprints to the LEGO Dimensional Portal, everypony got started making it.

From the Shadows in Ninjago/Lord Vortech released the Overlord and his alliance
Suddenly at the Shadows of Ninjago, Lord Vortech appears and freed the Overlord, his wife, the Preeminent, and their followers, Samukai, Krazi, Frakjaw, General Kozu, General Cryptor, Master Chen, Clouse, Nadakhan, Acronix, Krux, Scorm, Braptor and Spinlyn as well as Vortech gathered the Wicked Witch of the West, Sauron, Saruman, Grima Wormtongue, Lord Vampyre, Lord Voldemort, the Fratellis, Stripes, Stripe, Mohawk, Brain Gremlin, Lenny, George, Vegetable Gremlin, Bat Gremlin, Daffy, Phantom Gremlin, Mr. Burns, the CyberKing and his Cybermen, the Daleks and the Dalek Emperor and many more villains of the LEGO Dimensions.

Beginning the Peace Treaty for the LEGO Realm/Good Leaders and Rulers come together
Soon enough, the peace treaty was about to singed up as the good leaders of rulers of Equestria and others worlds including Fluminox, King Lagravis, King Crominus and the Serpentine Leaders signed in as a sign of their loyalty to one another and keep their realms better places

Laval and the Boys join a Guy's Night Out/The Girls in Li'Ella's baby shower
That night, Laval, Lloyd and their friends along with X-Po joined in with Spike, Mirage, Big McIntosh, Discord, Capper and Grubber for a Guy's Night Out as they hang out for fun. Meanwhile at the Castle of Friendship, Twilight and the girls were honoring Li'Ella with a baby shower for hers and Laval's new born cub on the way.

A Dark Evil returning/Beginning the invasion/The Sub Zero Herd came to help
But suddenly, a dark evil is returning as Lord Vortech and the Overlord send an evil army of Stone and Nindroid Armies, Anacondrai Worshippers, the Dark Tribes of Scorpions, Bats and Spiders, Orcs, Goblins, Uruk-hai, Stormtroopers, Droids, Gremlins, Cybermen, Daleks and many more to invade Equestria starting with the Castle of Friendship. Just as it was too late to save the castle, Manny, Sid, Diego, Ellie, Crash and Eddie, Peaches, Granny, Louis, Shira, Julian, Buck, Teddy, Brooke, Gavin, Gertie, Roger and Shangri Llama came to the rescue and helped them escape.

Entering the safe distance of the LEGO Dimensional Core/X-PO gathered his alliance
Soon enough, X-PO brought all of his old and new friends to a safer distance of the LEGO Dimensional Core. Then, he gathered help from his friends including Batman, Gandalf, Wyldstyle, the Ghostbusters: Peter Venkman, Raymond Stantz, Egon Spengler, Winston Zeddemore, Abby Yates, Erin Gilbert, Jillian Holtzmann and Patty Tolan, Slimer, Stay Puft, Aquaman, the A-Team: B.A. Baracus, "Howling Mad" Murdock and John "Hannibal" Smith, Templeton "Faceman" Peck, the Good and Bad Cop, Bane, Homer and Bart Simpson, Krusty the Clown, Robin, Batgirl, Cyborg, Raven, Starfire, Beast Boy, Benny the Spaceman, Beetlejuice, the Powerpuff Girls: Blossom, Bubbles and Buttercup, Chase McCain, Chell, Marty McFly, Doc Brown, the First, Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth, Ninth, Tenth, Eleventh and Twelfth Doctors, Emmet Brickowski, Ethan Hunt, E.T., Finn, Jake, Lumpy Space Princess, Marceline, Legolas, Gimli, Gizmo, Gollum, Green Arrow, the Joker, Harley Quinn, Harry Potter, Hermione Granger, Gamer Kid, Michael Knight, Newt Scamander, Jacob Kowalski, Owen Grady, Shaggy Rogers, Scooby-Doo, the Goonies: Sloth, Mikey, Brand, Mouth, Data, Stef, Andy and Chunk, Sonic the Hedgehog, Supergirl, Superman, Tina Goldstein, Queenie Goldstein and Wonder Woman to save Equestria and the LEGO Dimensions. Suddenly, a Cyberman stowaway inside the core as Sid knocked it out. With quick thinking, X-PO and Dr. Hooves used their technology to reprogram him. Then, Emmet gave him a name, "Arnold" and made him part of the alliance.

Arriving at Ninjago Master Temple/Meeting with Morro and the Redeemed Vermillion
Soon, they arrived at the Master Temple of Ninjago with Wu, Garmadon, Ray and Maya. Then, Morro appeared in flesh in blood along with Sensei Yang and the Redeemed Vermillion Commanders, Machia, Raggmunk and Blunck who wished to join their alliance to save the LEGO Dimensions. As they accept them, the Elemental Masters, Karlof, Griffin Turner, Paleman, Tox, Neuro, Ash, Bolobo, Gravis, Jacob Pevsner, Chamille and Shade joined in as well.

Vitruvius explains about a new prophecy/Code Name, "Cleopatra"
That night, Vitruvius foretold a new prophecy that must be fulfilled. The Dragon Warrior, the Ten Heroes of Equestria, the Pillars of Old Equestria, the Twelve Apprentices of the Mane Ten, the Heroic 6 of Bikini Bottom, the Eight Heroes, Nine Ninjas of Ninjago and the Four Special Master Builders come together and defeat the Dark Lords, Lord Vortech and the Overlord and restore peace to the LEGO Dimensions. Just as Li'Ella wanted to help her friends despite her pregnancy, Laval was as worried as Tormak as he decided to use the Code Name, "Cleopatra" for the signal if the baby cub is coming.

Beginning the mission for the LEGO Dimensions/Encountering Rudy the Baryonyx
At last, Po, SpongeBob, Twilight, Manny, Laval, Lloyd, Emmet, Batman, Wyldstyle, Gandalf and their friends begin their mission to save the LEGO Dimensions. Suddenly, they've encountered Rudy the Baryonyx, an arch rival of Buck. So, they all ran for their lives.

Meet Unikitty, Puppycorn, Dr. Fox, Hawkodile and Richard/Seeking their help
Just then, Unikitty, her brother, Puppycorn, and their friends, Dr. Fox, Hawkodile and Richard came to the rescue. As they're all safe away from Rudy, Emmet, Wyldstyle, Batman and Gandalf asked for their help as they said yes and everyone and everypony continued their mission.

Setting the camp for the night/Foretelling the Curse of the Golden Master
That night, everyone and everypony begin to set up came for the night. Soon, Acidicus told the group about the "Curse of the Golden Master," a legend telling of a being whose power will equal that of the First Spinjitzu Master's. The Serpentine attempted to warn people of this, but were treated as the enemy, to which they fled underground.

Resurrecting Arcturus and the Anacondrai/Five Serpentine Leaders together
With measures needed to be taken, Morro, Twilight, Sunset, Starlight, Mirage, Star Swirl, Stygian, Fizzlepop Berrytwist and Sunburst casted a spell to resurrect and revive Arcturus and the Anacondrai. At last, the Five Serpentine Leaders came together.

Li'Ella goes into Labor/Rudy chases Twilight/Protecting Li'Ella from harm
The next day as the group moves toward Lava Falls, Li'Ella goes into labor and the Scorpion, Bat and Spider Tribes begin to strike, causing a rock slide that separates her from the others. Laval, Lloyd and their friends along with Lagravis and Tormak double back to protect her and Star Swirl, Stygian and the Pillars fend off further attacks. Suddenly, Twilight was being chased by Rudy as the heroes had to save her. At last, Twilight was saved everyone got away from Rudy once again.

The birth of Lapatra/Capturing the Alicorns/The Overlord becomes the Golden Master
Just as Lagravis, Tormak, Laval, Lloyd and their friends made it to Li'Ella, she finally gave birth to a newborn daughter. Happily, Li'Ella given her the name, Lapatra. Then, everyone and everpony reunited and got to see the newborn princess of the Lion Tribe, even Lagravis and Tormak were happy to be grandfathers at last. All of the sudden, Twilight, Princess Celestia, Princess Luna and Princess Cadance were captured by the CyberKing and the Dalek Emperor. With Lord Vortech forcing them to use their Alicorn Magic, the Overlord became the Golden Master once again as he and Vortech shared its magic. Then, chaos reigned throughout the LEGO Dimensions to make ready for their plan.

Making ready to fight back the villains/Buck and Unikitty fight Rudy
With not much time to loose, Po, SpongeBob, Manny, Laval, Lloyd, Emmet, Batman, Wyldstyle, Gandalf and their friends had to fight back the villains. They started fighting off the evil armies, while Buck and Unikitty fought off Rudy.

Confronting the Overlord and Lord Vortech/The Rise of Overlord Vortech
Just as they came to rescue the princesses, the Overlord forced the heroes to give him the Foundation Elements. And if they didn't, the Preeminent would absorb the four princesses and devour their souls and turn them into ghosts. With no other choice, Emmet, Wyldstyle, Batman and Gandalf gave them to the Overlord and Stygian brought out the copies of the Foundation Elements for the heroes to use for good as the four princesses were casted a spell by Star Swirl to be rescued. Suddenly, the Overlord and Lord Vortech used the Foundation Elements they had and created Overlord Vortech.

The Final Battle in the History of Final Battles/Luna gets swallowed whole
At last, 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. Overlord Vortech kept using vortexes to distracted them, but heroes kept on pulling through in attempts to stop the villains. At last, Shifu, Ray, Maya, Wu, Garmadon, Lavertus, Lagravis, Tormak, King Crominus, Queen Crunket and Fluminox fought off Overlord Vortech. Suddenly, Princess Luna was being swallowed whole by Rudy after risking herself to save Flinx.

Crooler tames Rudy/Saving Princess Luna/Sending all evil back to Tartarus again
With not much to loose, Crooler had to save Luna by taming Rudy to see the good one in him. As Rudy regurgitated, Princess Luna was free. Then, the heroes finally opened the portal sending the Overlord, the Preeminent, Lord Vortech and the rest of the LEGO Villains including Overlord Vortech to Tartarus for good. And then, Twilight worked her magic to correct all the damages.

The LEGO Dimensions are saved/Welcoming Lapatra to Chima/The Overlord swore revenge
As the battle one, the LEGO Dimensions are saved once again along with Equestria. With everyone and everypony celebrating the birth of Lapatra in Chima, Li'Ella happily welcomed her beloved daughter to the royal family. Meanwhile in Tartarus, the Overlord swore his revenge.

Scenes

 * 1) Laval and Li'Ella are having a baby/Learning the Silent Fist Technique
 * 2) X-PO arrives in Equestria from the LEGO Dimensions/Meeting Twilight and her friends
 * 3) From the Shadows in Ninjago/Lord Vortech released the Overlord and his alliance
 * 4) Beginning the Peace Treaty for the LEGO Realm/Good Leaders and Rulers come together
 * 5) Laval and the Boys join a Guy's Night Out/The Girls in Li'Ella's baby shower
 * 6) A Dark Evil returning/Beginning the invasion/The Sub Zero Herd came to help
 * 7) Entering the safe distance of the LEGO Dimensional Core/X-PO gathered his alliance
 * 8) Arriving at Ninjago Master Temple/Meeting with Morro and the Redeemed Vermillion
 * 9) Vitruvius explains about a new prophecy/Code Name, "Cleopatra"
 * 10) Beginning the mission for the LEGO Dimensions/Encountering Rudy the Baryonyx
 * 11) Meet Unikitty, Puppycorn, Dr. Fox, Hawkodile and Richard/Seeking their help
 * 12) Setting the camp for the night/Foretelling the Curse of the Golden Master
 * 13) Resurrecting Arcturus and the Anacondrai/Five Serpentine Leaders together
 * 14) Li'Ella goes into Labor/Rudy chases Twilight/Protecting Li'Ella from harm
 * 15) The birth of Lapatra/Capturing the Alicorns/The Overlord becomes the Golden Master
 * 16) Making ready to fight back the villains/Buck and Unikitty fights Rudy
 * 17) Confronting the Overlord and Lord Vortech/The Rise of Overlord Vortech
 * 18) The Final Battle in the History of Final Battles/Luna gets swallowed whole
 * 19) Crooler tames Rudy/Saving Princess Luna/Sending all evil back to Tartarus again
 * 20) The LEGO Dimensions are saved/Welcoming Lapatra to Chima/The Overlord swore revenge

Songs and Scores

 * 1) Sacred Guardian Of The Mountain (from Mighty Joe Young) - (when the main title was shown with opening credits)
 * 2) Everything is Awesome (from The LEGO Movie) - (when Laval and the Boys enjoyed a Guy's Night Out)
 * 3) Who's the (Bat)man? (from The LEGO Batman Movie)

Trivia

 * The story continues and concludes in The Overlord's Revenge.
 * This film marks the very first appearance of the NEXO Knights, Monstrox, Clutch Powers, Brick Masterson, Peg Mooring, Bernie Von Beam, X-PO, Princess Unikitty, Prince Puppycorn, Dr. Fox, Hawkodile, Richard, Master Frown, Brock, Emmet Brickowski, Batman, and all of their friends from the LEGO movies and T.V. series franchise and LEGO Dimensions.