Meanwhile, Agent P and GuardianAgent P arrive in DEI just in time when Agent AG appears by their side. Suddenly, three atomic bombs appear from the walls and shoot them. When the smoke was faded, Perry, Pelry and Aggie were already tied up in ropes.
"Hello Perry the Platypus, Pelry the GuardianPlatypus and Agatha Galido" Doofenshmirtz greeted as he and Doofai appeared from the shadows "Like our new atomic bomb trap? We got it from cartoons, you know. Now, Perry the Platypus, Pelry the GuardianPlatypus and Agatha Galido, quake in terror, as we punch a hole through to another dimension. Behold! The Other-Dimension-inator" Doofenshmirtz and Doofai show their new –inator, the Other-Dimension-inator.
"You know where we got this idea? You see, Agatha Galido" Doofai explains to Aggie "During our free time, we went to your school to see what you were doing, until you mention to your Math teacher that there was another dimension near our universe. You also mention that there was a parallel universe; we don't want to go there anyway. It's completely opposite. So the other dimension near ours you said, mean it's completely the same. So were making this –inator to see if you're right all along." Aggie is very angry about and calling her nemeses "eavesdropping!" She, Perry and Pelry try to break free before it's too late.
Back at the Flynn-Fletcher house, the I teams run down stairs to stop Phineas, Phineaks, Ferb and Flerk from doing something that blows the cover. The boys had begun to make their Other Dimension traveling machine.
"Hmm... There's something missing here. I can't put my finger on it though", Phineas noted. Ferb handed his brother a computer chip in a bag. "Ah, yes, the chip! Without this, we won't be able to open a portal. Let me just put this in here... Here we go!", Phineas said, "Would you like to do the honors, Ferb, Flerk?" Ferb and Flerk together flipped the switch on, but the machine didn't do anything. "That's weird... we have everything - Oh wait, we need to plug it in!", Phineaks discovered. Ferb and Flerk went into the house to get several feet of extension cord.
Meanwhile, Candace and Candee, who were in their room, began to wake up. Candace smacked her lips and looked at her surroundings. She must have fallen asleep while studying last night, because she was still in her daytime clothes, and her textbook was on her lap. While Candee… well, having a normal sleep. "Eh, at least now I can say studying literally put me to sleep. Huh? Hey, what's going on outside?" Candace asked. Candace got out of her bed and walked over to the window and looked out, and Candee flies over to follow her. . Phineas and Phineaks were in the backyard next to his invention, while Ferb and Flerk were getting the cords. "Ugh, I can't believe it! The first day they get on vacation, and they're already back to building their - No. I'm not going to get involved with this again. I have put my busting past behind me. I shall continue my studies and won't pay a lick of attention to what they are doing!" Candace sat down on her bed and picked up her textbook and began reading, while Candee joins her to read with her.. However, she couldn't pay much attention, since she kept gazing at her window. "No... must... fight... urge...", she grunted, and Candee smacked her across the face. "*pant* Whew. Okay. Now, my work. Thanks Candee." She continued reading as Candee nodded, signing of 'you're welcome'.
Ferb and Flerk came out of the house with feet and feet of extended cord. Ferb went to the machine and was about to plug it in to the extended cord, but interrupt by his fellow members of the I teams and friends.
"Hey guys," Pilair greeted nervously as she and her fellow members walking towards the boys "Whatcha' doin?"
"We're making an Other-Dimension traveling machine." Phineas replied. "We saw our 2nd dimension Us yesterday and we saw their dimension is in trouble. They also told us Perry and Pelry are secret agent. And they are TELLING THE TRUTH! We didn't remember that because they erase our memories. They don't want to know because they using us as a cover. They never trust! They never love us! And that we should never trust them!" Phineas explained angrily.
The I teams pretend to be laughing so that Phineas think of what he said is ridiculous. But Phineas drags them to the house to prove to them he was right. But the teams don't want to go with him.
"Oh Phineas, maybe you've just misunderstood them." Prida stated.
"Why?!" Phineaks shouted. "Do you know their secret?"
The I teams promised that they won't tell anyone, especially the boys' about the secret. "No!" Applejack lied.
"Very good" Phineas said as he crossed his arms "It's a good thing, Applejack, you're the element of Honesty."
Phineas walks to his invention to help his brother. "What Prida means to say is all secret agents and superheroes hide their identities because… " Tinkerbell was about to finish her sentence but she was interrupted by Phineaks.
"Because they want to keep it by themselves?"
"No! because…" Periwinkle was about to finish but, Ferb plugged the machine and began to "WHURR!" and it lit up.
A laser ray on the top of the machine shot out a burst of green light, and a circular door formed. The I teams eyes are all widen in awe. "Well... we got this far. Let's see how much more we can go", Phineas said, and took a deep breath. He and Ferb slowly began to step through the portal. Legs first... then their bodies and arms... and finally, their heads. The brothers came out on the other side, and witnessed a world much different than what they were used to. While the I teams and the boys' guardians look each other nervously.. It looked just like how Phineas and Phineaks had seen it from inside Phineas-2 and Ferb-2's house, except now, instead of being in the safe, comfortable, and lighted home; they were out in the dark, cold, silent backyard of the house. "Brrr... it's c-c-colder than I remember!", Phineas shivered. "What have those dictators done to this place?", Ferb wondered. "They turned it from a wonderful town to a post-apocalyptic wasteland is what they did! And we've got to stop them!", Phineas explained, and began to step forward. After he took his first step, light from helicopters, aircrafts, and ground level flashlights surrounded him. The same men who had invaded the house yesterday had stayed overnight... and brought a few more troops in case there was anyone else trying to enter or break out. "Whoops", Phin muttered. "What do we do now?", Ferb muttered. "Isn't it simple? We run away, scared for our lives, yelling for help and/or mercy", he told. Ferb nodded. "Good plan." The two brothers did so, and tried to run out of the backyard. As they approached the fence, more men ran up to them, shooting their weapons. Phineas and Ferb stopped just inches away from where bullets from the weapons landed, and made a quick turn back towards the portal. "Come on, we have to close it! It's too risky to go out now!", Phineas shouted. The two ducked as the men swiped at them with axes and maces and rolled on the grass. They jumped up and sprinted for the door back to their dimension. Suddenly, a large ball of electrical energy flew over their heads and hit the tree in the backyard, causing part of it burn to flames. The thrower of this ball was a robot, similar to the Normbots that Aggie and the I teams had encountered on their initial travel across dimensions, manufactured by the dictator's command to work with his army of men. There was not only one robot however, there were several. All were ready, with blasters in place of their arms, to deal damage to the kids. The boys went through the portal and landed back home.
"Guys! What happen?" Skully questioned. "Turn it off!", Phineas pleaded. Ferb struggled to get up, but did, and raced to the machine. As he was about to flip the switch to shut it down, some of the robots and men passed through the portal and shot at him! Ferb jumped to the side, as one of the energy balls hit the ground and burst, causing a small fire. Flerk flies towards Ferb to hold him. Ferb and Flerk fled away from the fire as it quickly spread across the backyard. They stopped next to their brothers and their friends, and they sat and stared in fear at the dictator's minions closing in on them, ready to annihilate.
Candace and Candee, in their room, hearing the ruckus from outside, rushed over to the window. WHAT THE -?! WHAT'S GOING ON?!" Candace gasped. They saw Phineas and Ferb, helplessly on the ground, with the fire blazing around them, while the I teams try to fight them. Candace quickly grabbed her purse and filled it with a bunch of objects - her textbook, cell phone, wallet, water bottles, etc. - hung it over her back, and dashed out the door, while followed her. Swiftly, elegantly, and quietly, they slid down the railing of the stairs and burst out the door.
They rushed to the scene. "Guys, are you okay?!" Candee asked. Phineas turned around and saw Candace, her orange hair, waving in the morning breeze, and his guardian's sister, Candee. "Yes, we're he-*cough cough*" Candace and Candee pulled out one of the water bottles, and splashed water on the flames separating them from their siblings. "Come on!", they yelled. Phineas and Ferb got up with the help of their guardians and their friends, but the men began to fire rapidly again! "NO!" Candace slid on the grass over to her brothers and stood up in front of them using her purse as a shield. The bullets bounced off the decorative pearls on them, right back at the men. The men dodged and ran, trying to escape that of which they fired in the first place. "Back into the house, now!", Skipper ordered, while he and his team distract the men and robots. "The portal! We need to turn it off!", Phineas yelled, pointing to the machine."We'll do it! You guys get in, where it's safe!", Candace reassured. The boys did as they were told, and started for the house. Candace and Candee went towards the machine, while the I teams distract the men and the robots. But the robots weren't going to give up yet. They joined their blasters together, which morphed into a cannon-like object, which they used to fire a large ball of energy towards the teenage girls. Phineas turned around, and saw the robots about to fire. "Candace, Candee, look out!", Phineas warned. The girls turned around and saw the ball coming straight at them. They froze in fear unable to move, and they, both hug each other. Phin did just above the nicest, bravest, and somewhat stupidest thing anyone could do at that moment. She dashed for his sister and her guardian, and jumped in front of them, taking the blow. Phineas flew back and crashed into the oak tree, then fell to the ground, unconscious. "PHINEAS!", Candace, Candee, Phineaks,Ferb, Flerk and the I teams screamed.
Back at D.E.I., while already break free from their trap, Aggie, Perry and Pelry felt a sudden disturbance in the force. They could hear Phineas' name being called in the background, and they felt a bad feeling in their guts. Something was wrong. Very wrong. Perry pulled out his jet pack and turned it on, while Pelry and Aggie opened their wings and ready to fly. The trio flew away in quickly towards the Flynn-Fletcher home. Doofenshmirtz and Doofai noticed this, and ran over to the edge to scold Perry, Pelry and Aggie for leaving without telling them, but on the bright side for them, they will test their inator anyway.
Candace ran to her brother's aid. He laid on the ground, lifeless. Not a single piece of life seemed to be emitted from the child. Even Ferb, Flerk, Phineaks and Candee ran over the duo to see if he was okay. The I teams fly lower slowly until they hit the ground towards Phineas to see their teammate is okay. "Phineas? Phin, talk to me! Phineas!", Candace shouted, shaking him. "Bro? Bro, are you there? Calm on! Wake up!", Ferb pleaded. "Come on Triangle head! We're in trouble, Wake up!" Baby Daffy shouted in his ear. "Phineas, hurry! Wake u-" Phineaks shouted and shaking him until he turn back. He gasps in horror that the robots were behind them. The robots edged towards them, blasters at the ready."Phineas, get up NOW!", Candace gritted through her teeth. The robots charged their blasters. "NOW! GET UP NOW!", Ferb and Phineaks energy began to shine out from the blaster's holes. Phineaks, Ferb, Flerk, Candace, Candee and the I teams closed their eyes and put their hands, wings, flippers, paws and hooves in front of their faces, awaiting the inevitable. It seemed all hope was lost, when...
SWOOSH!
The kids and the I teams opened their eyes and gazed in amazement at who had come to save them. A blue animal with an orange beak and bill, and a brown fedora upon his cranium flew down from the sky and kicked one of the robots right in its head and guardian with a pink dress and a pink bow. The robot flew back, crashing into the other metal minions, and they all tumbled to the ground and exploded! "Perry! Pelry!", The I teams screamed in joy. "That's Perry and Pelry? That doesn't make any sense! Perry and Pelry don't fight, nor do they have the hat and bow thing -", Candee started. "Sisters, believe us. Those are Perry and Pelry." the British boy explained.
Just then Aggie arrive in the scene, panting from running "Guys! I came here as fast as I could. I heard a commotion over here. What's going here?" Aggie explained while finding her breath. "Long story short, Aggie but now come on, since they're all taken out, let's go back in the portal", Ferb answered.
"Go in there? Isn't there where all those robots and bad guys came from? There are probably more in there, waiting to blast us! Do you want to get killed?!", Candace shouted in disbelief.
"Candace, Candee, please", Flerk said, taking her hand, "Trust us."
"Ferb, Flerk, we can't -!" Candace and Candee were about to finish their reasons but it was interrupted by the british boys, the Filipino girl and their friends
"TRUST US!." The two girls looked in ttheir step-brothers and their friends' eyes.
Candace and Candee looked each other and thought for a moment.
"Oh... fine. Let's go." Both of them said.
Candace held the lifeless Phineas in her arms as she, Candee, Phineaks, Ferb, Flerk, Aggie and the I teams walked towards the portal back to the dystopian world. Skipper waves his flipper to Perry and Pelry means that they should come with them to the 2nd dimension to escape.
Candace side-glared at Perry and Pelry.
"You two have a lot of explaining to do", she muttered in suspicion.
The agents smiled sheepishly and joined their friends to the 2nd dimension. The I teams whistled nervously.
Note: This chapter is a continuous event of chapter 2. Take aother note: Phineas, Phineaks, Ferb, Flerk, Perry and Pelry are the members of the I teams in a 10th group.
