The Alien Dino Thunder Force is back to action, but this time, they're teaming up with Kamen Rider Ichigo and the Special Forces. They get teleported to the alternate Unionverse and both teams must face the Union Fake Heroes again. Things get worse...
(A Republic Frigate is seen going towards the earth. Inside of it, Noah Kaminari/Kamen Rider Build, Kouta Kazaribi/Kamen Rider Gaim, Tsukasa Kadoya/Kamen Rider Decade, Eiji Hino/Kamen Rider OOO, Another Build, the Happy Tree Friends, The Elite S.O.G. Team, Commander Darp, Commander Sterk and Commander Locus are seen sleeping.)
Noah: (sleeping) Kouta, what're you doing with my mom?
(Matt "Damien" Matheson is also sleeping until a green light wakes him up and catches his attention. Then he turns to see TIE fighters, TIE bombers and TIE interceptors.)
Damien: What in the name of a... (turns to the heroes) Guys, fellas! Everyone wake up!
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Tsukasa: Huh? I was only pretending to sleep.
Noah: Five more minutes, mom. (wakes up) What the...
Tsukasa: What in the name of Decade is that?
Damien: I don't know. I'm running a scan.
(Then the TIE Fighter aims at the Frigate)
Noah: Um, Damien? I think it's... you might wanna, um...
(Then the fighter shoots the Frigate, waking everyone up.)
Kouta: Oh no, it can't be happening.
(Inside one of the enemy ships is the mind-controlled Bomani "Saigon" Triathlon, and then the TIE ships prepare to attack the Frigate.)
Eiji: It's happening. OH, GOD. It's happening!
Damien: Aw, hell, here they come, boys. Cuddles, man the gun! Everyone else. Ya'll gotta get ourselves out there and fight!
Noah: (pulls out two fullbottles) Now, shall we begin the experiment?
(Then Kouta pulls out a lockseed, Tsukasa pulls out a card, Eiji puts three core medals at his driver, an unknown person prepares to transform and Noah puts the fullbottles on his driver cranks up its lever.)
B.Driver: Rabbit! Tank! Best Match!
S.Driver: Lock on!
Riders: Henshin!
B. Driver: Are you ready? (Techno rock music) Hagane no moonsault! RabbitTank! Yeah!
S. Driver: Soiya! Orange Arms! Hanamichi on stage!
