Back at camp, while Gloriosa/Gaia's wrath was wreaking havoc after her song, Jon, Liz, Nermal, Arlene, Squeak, Spider, Sage, Mal, Pewdiepie, Apple, Raven and the others were hiding from her and the alien ships behind the small boats.
Faybelle flies back to her friends Apple, Raven, Briar and Madeline without being seen, but her friends, especially her cousin Mal, saw her come back.
"What took you so long, coz? Can't you see there's a super-villainess and aliens causing havoc out there?", asks Mal.
Audrey, her cousin Briar, and Madeline agree, the former asking, "Where have you been?"
"Me? Oh, I helped some townspeople to stay where they are in a disco move, and one of them was that rich man Gloriosa talked about!", explains Faybelle.
Nermal mentions, "Well, that's one way to describe a scene from both Saturday Night Fever and a scene from the new Ghostbusters in a nutshell. Good movies, though."
Fluttershy and Arlene sighed, "What do these kinds of things always happen to us?"
"I don't know. Maybe it's just the way how our past three events were like. Because of magic, and power, and fantasy. I just don't know.", says Jon, before he and Rarity, along with the five Star Darlings, Mal, Evie, Jane and Audrey asking, "What are we going to do?"
Rainbow Dash and Nermal then gets an idea and gives confidence and motivation, "What we always do.", before saying, similar to what they always do during the past three adventures, "Save the day!"
"But with super. Superpowers.", Nermal confides as well.
As Jon, Liz, Arlene, Squeak, Spider, Sage, Mal, Pewdiepie, Apple, Raven and the others look at each other and agree, Sage felt passionately confident as she says, "You know what, Nermal, you cute cat? That's an amazing idea of us being heroes. And girls, that's why we have and we're friends. Because we, also my Star Darling and Auradon friends...are special.", as Sage, Jon, Apple, Markiplier, Jacksepticeye and Rarity put their hands on top of Rainbow and Nermal's, while empowering TMNT Steve Jablonsky music was heard.
"Magical.", added Mal, as she, Liz, Vega, Raven, Pewdiepie, Cryaotic and Applejack put their hands on top of Rarity, Jon, Sage, Apple, Markiplier and Jacksepticeye's.
"Starling.", added Libby, as she, Arlene, Scarlet, Briar, CinammonToastKen and Fluttershy put their hands on top of Mal, Liz, Applejack, Vega, Raven, Pewdiepie and Cryaotic's.
"Descendants.", finally added Evie, as she, Leona, Audrey, Pinkie, Squeak, Spider, Madeline, CutiePieMarzia and Grav3yard Girl put their hands on top of Libby, Fluttershy, Arlene, Scarlet, Briar and CinnamonToastKen's.
Then they all cheer before they then put all their hands back, causing Sage and Mal to spark an idea for the words they, and two of their friends, just said.
"Wait. Special Magical Starling Descendants! That's a perfect super name for us two, Evie and Libby! That movie we watched was cowabunga!", Sage and Mal came up with their, and two of their friends' superhero idea.
Pinkie also excites, "Oh boy, oh boy! This is going to be so much fun!", before gasping and is stoked, "I'd only wish we have time to make superhero CAPES!"
"Ooh, me too!", Rarity joins in.
Sage and Mal corrects, "I'd agree, but we don't need those colourful bandana masks like that movie we watched."
"Well, I'll use one cape if I need to.", Nermal goes with it, before he and Rainbow sigh.
Rainbow Dash then said, "Enough about our wardrobe! We gotta stop Gloriosa and those aliens from trapping everybody in here!", as the girls and the other secondary characters, along with Jon, Liz, Arlene, Squeak and Spider, nod yes.
"Or better yet with it, DESTROY THE ALIENS before they destroy the camp, and the planet!", Nermal included. "And girls, I've got you some cool weapons for you to use."
Nermal and Arlene then gives Sage, Mal, Evie and Libby two katanas, two sai knives, a bo staff, and nunchucks, respectively.
"Oh my stars! These weapons we're in that 3D movie we've watched!", exclaims Sage, excitingly.
Mal agrees, "Now we are DEFINITELY Special Magical Starling Descendants."
Evie then checks her mirror, looking at the countdown clock the gigantic City Destroyer has started setting up, "Guys. We have about 27 minutes before the alien ship blasts and destroys this camp!"
"Well, let's stop those aliens, go Oranger, and do this thing! STARLING DESCENDANT POWER!", yelled Sage and Mal, Libby and Evie saying the last sentence, as the four go with their friends, especially Jon, Liz, Nermal, Arlene, Squeak, and Spider, to start to stop the villainous Gloriosa/Gaia and the aliens.
Micro Chips and Watermelody were running in terror, as Gloriosa/Gaia then uses her powers to cause a few vines to grow out of the ground, scaring Flash Sentry, Lyra and Bon-Bon a bit.
Surprisingly and horrifyingly, the small laser targeting the totem finally blasts on the camp gift, causing the totem to explode in a moderate explosion!
Frightened by this sound at first, Lyra and Bon-Bon then turn around to see this incoming explosion, and scream at this, hugging each other lovingly. But before they were inevitably about to get burnt by the flames of this explosion, Jon and Rarity get in front of them, the latter gaining her hair-extensive tail and pony ears, along with Jon gaining his Hawk-Arbuckle outfit!
"Get behind us, girls.", Hawk-Arbuckle said, before Rarity activates her jewel shields, and Jon shoots a set of water-elemental arrows, combining the jewel shield powers to completely extinguish the explosion flames in a few moments, while the remaining flames hit the jewel shield and Lyra and Bon-Bon were unharmed and saved.
Shortly, Rainbow Dash and Nermal swoosh by, getting Lyra and Bon-Bon, putting them to safety along with Valhallen, Fluttershy and Arlene, with the help of Rainbow's speed and Nermal's thundery cute hammer, as Rainbow gains her pony ears, wings and hair-extensive tail, along with Nermal gaining his Cuthor outfit!
As Cuthor and Rainbow Dash left to rescue some others, Fluttershy and Arlene then look at the small hole nearby, both knock it a few times solicitously, and three cute gophers come up.
Fluttershy asks first to the gophers, "Hi. Do you think you could give us a hand- uh, paw? We could really use a way out."
"For our safety, pretty please?", kindly asks Arlene, as Fluttershy gains her pony ears, wings and hair-extensive tail, while she gains her Scarlet Arlene outfit!
The gophers then nod yes and start to dig a way out to the other side, with the help of Scarlet Arlene's telekinetic powers.
Whilst this, Rainbow Dash and Cuthor successfully destroy one of the tripod killing machines when it failingly attempted to shoot it's vaporizing lasers at them!
The two then zoom past a rock, before Applejack and Liz lift it, the rock breaking the top frame of the RealD 2.35:1 ratio, as Applejack gains her pony ears and hair-extensive tail, and Liz gains her Vet Widow outfit!
The two then lift the rock high in the air before they jump, and at the same time, Applejack punches and Vet Widow kicks the rock, making a hold in the vine barrier, but vines regrow in the process.
"Hmmph.", said Applejack and Vet Widow, the former girl rolling up her sleeves and the latter saying as she sets her boot heels and cracks her knuckles, "This is gonna be tougher than we thought."
The camera shot then continues as we see Sage, Mal, Evie and Libby climbing onto the top of the cabin, while some of their other friends, like Apple, Raven, Pewdiepie and some of the others were helping the CHS backgrounders. The four then, one-by-one, then jump high in the air to get on top of the second tripod killing machine.
Then they use their weapons to impale the top of the machine, which Sage and Mal finally succeeded in killing the extraterrestrial pilot with their sharp weapons from the top of the machine, causing the tripod killing machine to fall down a bit, as it breaks part of the top 2.35:1 RealD ratio frame, reuniting with their friends safely as they somersaulted, helping the other CHS backgrounders to safety.
"Piece of starry-filled cake!", Sage, Mal, Evie and Libby all said.
Back with Fluttershy, Arlene, Valhallen, Lyra and Bon-Bon, they waited for the gophers, and Scarlet Arlene's telekinetic powers, for a way out through a hole, until the gophers have finally reached to the other side, giving the signal to Fluttershy and Scarlet Arlene!
"Now's your chance, guys! Go, go, go!", Scarlet Arlene says as Fluttershy silently was giving a hand to Bon-Bon, about to be the first to go into the hole...
...until several vines then fill up the hole, which Gloriosa/Gaia already found out about their escape plan, much to Fluttershy, Scarlet Arlene, Valhallen, Lyra and Bon-Bon's horror.
But before she can think of doing something harmful to them next, she was interrupted when she hears a few sounds, and a single largely small spider web hits her chest along with pink sprinkles passing by, which she angrily looks at.
It was Pinkie, Squeak and Spider who've done that, and the former simply puts several sprinkles in her hand, while Spider says, "Hey! You mess with them..."
"...you mess with us!", Squeak finished, as he feeds himself a tiny slice of cheese, charging up his cheesy jewel on his forehead, and he, Spider and Pinkie respectively shoot a yellow powerful laser, several spider webs, and several explosive sprinkles, as Pinkie gains her pony ears and hair-extensive tail, and Squeak and Spider both respectively gain their Cheese Vision and Spider-Man (literal spider) outfits!
As they vaporized several holes in the vine barrier, Applejack and Vet Widow then use a bench to use to get it through the barrier. But when they do so, Gloriosa/Gaia then sees the two again, and she evilly uses her vine powers to grow them back in the hole.
"Push...harder...!", yelled Vet Widow as she struggled with Applejack to get the bench through, but it breaks.
As Pinkie Pie, Cheese Vision and (literal) Spider-Man were attempting to attack again, Fluttershy, Scarlet Arlene, Valhallen, Lyra and Bon-Bon come, but a set of vines trap the latter three CHS backgrounders in, and another then stumbles Pinkie, Cheese Vision and Spider-Man!
But as they try to get Pinkie's sprinkles and Cheese Vision's cheese chargeable collection they they dropped, the same vine that stumbled them was about to trap the three!
That is, until Applejack and Vet Widow then rescues them just in time, the latter saying, "Hang on, guys!", as they wrestle with the vine before it can trap their three friends.
As Applejack and Vet Widow were thrown a little near away, another set of vines then come up and threatens to trap the two in, before Rarity and Hawk-Arbuckle then rescues the two also, using Rarity's jewel shield and Hawk-Arbuckle's earth-elemental arrows, to destroy the gripping vines!
"Saved you.", says Hawk-Arbuckle inside the shield, as he and Liz kiss.
Then suddenly, Gloriosa/Gaia then traps Flash Sentry, Snips and Snails, and Watermelody in sets of vines when Sage, Mal, Evie, Libby, Leona, Jane, Vega and Scarlet; Pewdiepie, Markiplier, Jacksepticeye, CinnamonToastKen, Cryaotic, CutiePieMarzia and Grav3yard Girl; and Apple, Raven, Briar, Madeline and Faybelle; tried to get them to safety, respectively!
Rainbow and Cuthor, seeing this, then quickly tries to rescue with their speed (along with Cuthor's hammer), Captain Planet and Micro Chips, but the vines trap them too late-ly, as Sage, Mal, Pewdiepie, Apple, Raven and the rest of the secondary characters follow the two.
Knowing that it was almost too late to save the CHS backgrounders, Rainbow and Cuthor then speed past some vines (with Cuthor's hammer), before Rainbow and Cuthor got caught in one and Cuthor drops his hammer!
"Must get out, must get out!", Cuthor quickly says frantically as he and Rainbow try to break free from the vines, before explosive sprinkles and a flash of lightning with a sound of thunder was heard, saving the two as the vines die.
Cuthor and Rainbow found out that Pinkie used her sprinkles while Squeak had used and borrowed Cuthor's hammer, which he could lift easily too, with Spider, beside the mouse, watched him.
"It's actually a little well-balanced.", commented Cheese Vision.
Cuthor then says, "Well, too much weight of it, you lose power on the swing, so...good job."
"Yeah. We're awesome.", Cheese Vision rewarded himself as he fed himself a giant slice of cheese, with Pinkie juggling the sprinkles only once, as Spider-Man high-fives Cheese Vision.
However and unfortunately, the amount of cheese that he ate was too big, causing his jewel to start to overload!
Pinkie's sprinkles then was about to go off in a matter of seconds before she and Squeak, as Sage, Mal, Pewdiepie, Apple, Raven and the other characters gather again with Hawk-Arbuckle, Rarity, Vet Widow, Applejack, Fluttershy, and Scarlet Arlene met up again, threw the detonating sprinkles, and his overloading cheese jeweled power, respectively, toward the vine barrier before they both blast and explode, creating a bigger hole through the barrier.
Also, one of the reflected lasers that Squeak caused then was about to shoot at the third and final tripod killing machine, but it turns out to already activated his forcefield!
But it also seems to grow much back due to Gloriosa/Gaia's powers, as Applejack and Liz exclaim, "This isn't workin'! Her magic is too strong!"
"Oh...if only Garfield, Odie, Sunset, Elsa, Sci-Twi, Pooky and Spike were here...", worried Sage, Mal, Pewdiepie, Apple, Raven and the other secondary characters, as they and their other friends look at the wrathful Gloriosa/Gaia.
Inside the ship, the countdown then said,
21:00...
20:59...
20:58...