Line #60 WesternAnimation/Ben10GeneratorRexHeroesUnited


1	[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/heroes_united.png]]
2	An IntercontinuityCrossover ([[WesternAnimation/CodenameKidsNextDoor the second]] [[WesternAnimation/TheGrimAdventuresOfBillyAndMandy one on]] Creator/CartoonNetwork) between the two Creator/ManOfActionStudios series ''WesternAnimation/Ben10UltimateAlien'' and ''WesternAnimation/GeneratorRex'' that aired November 25, 2011.
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4	A mysterious rift begins to open in the skies of Manhattan. Meanwhile, Rex is sparring against [[TheStoic Agent Six]] while musing about his need for a "theme song," they are interrupted and sent to close the rift. Providence appears on the scene to stop the rift, but are unable to do anything before Rex arrives with Six and [[DeadpanSnarker Bobo]]. Doctor Holiday then gets a scan that shows something is coming through the rift, and Rex finds himself (unknowingly) fighting against, [[{{WesternAnimation/Ben10}} Ben Tennyson]], in the form of Humungousaur. During their skirmish, a strange metallic creature also appears and heads into the city, with Bobo and Six on its trail. Ben is finally defeated by Rex, when trying to protect bystanders, revealing his true human form. Then, Six appears with the creature, which self-destructs and renders him comatose, leaving Rex horrified and angry at Ben.
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6	At Rex's hideout, Ben is locked up in a containment unit, while Doctor Holiday explains that the creature was Nanite in origin, but somehow completely different from an E.V.O. Ben offers help but is denied, escaping into the night. They are both confronted by Caesar, who explains he created the creature, whose name is "Alpha". He created Alpha as a means of manufacturing nanites that could adapt to any scientific need, but it became unstable as it developed sentience, forcing [[MadScientist Caesar]] to banish it to another dimension. Alpha invades to absorb E.V.O.'s for their nanites, hoping to gain control of Rex's as it knows he holds the key to it obtaining perfection.
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8	Will Rex and Ben be able to stop Alpha before they kill each other?
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10	This special is Canon to both, and even introduced a new alien for Ben, Shocksquatch, that was then used in the new series ''WesternAnimation/Ben10Omniverse''. It was generally well-received by fans of both series and has hit the top 100 on iTunes.
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12	While the special ended on a potential SequelHook, it was ultimately never followed up on in animated form, though a sequel story was produced for issue 65 of ''ComicBook/CartoonNetworkActionPack''. Another crossover between the two shows -- this time set in the ''WesternAnimation/Ben102016'' universe -- aired in 2021.
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14	As this special was semi-live-troped, unmarked spoilers abound.
15	----
16	!!Tropes in the cross-over:
17	* ActionDuo: Guess who?
18	* AlternateUniverse: Ben and Rex's Earths are parallel to each other.
19	* ArbitrarySkepticism: With everything they've gone through, Rex is still resistant to the idea of aliens or parallel worlds. Mitigated by the fact that (with the exception of that one CryptidEpisode) everything he's seen so far has been a result of terrestrial technology in his own dimension. Though it's worth noting that Rex did eagerly consider the possibility of alien technology while being beamed instructions for a machine in "Mixed Signals", incidentally the episode that introduced Caesar.
20	* ArtShift: For Ben and his aliens. They're done in the ''WesternAnimation/GeneratorRex'' (more detailed) style. This has the effect of making Ben look older and his aliens more detailed.
21	* AsideGlance: Holiday after Cesar takes off with the metal fragment without an explanation. She's probably talking to Six but is looking right at the audience.
22	--> '''Holiday:''' For the record, most scientists are not like that.
23	* AttackOfTheFiftyFootWhatever: [[spoiler:Alpha's final form.]]
24	* BigApplesauce: Figures Manhattan would be first to get smashed up.
25	* BigDamnHeroes: White Knight, believe it or not.
26	* CainAndAbel: Rex and Cesar, to a certain extent. Also, in some twisted way, Alpha considers himself Rex's brother.
27	* CallBack:
28	** Cannonbolt!Ben saves Rex and himself from the exploding hovercraft the same way he protected Gwen and Max from re-entry in [[{{WesternAnimation/Ben10}} the original series]].
29	** Rex's attempt at creating his own theme song in the opening uses the same tune of the original ''WesternAnimation/{{Ben 10}}'' series with Rex adding his own lyrics. Six admits it's kind of catchy.
30	** Alpha first act after adapting the Ultimatrix to himself is to turn into his own version of Heatblast. This calls back to Ben's own very first transformation (Heatblast), as well as his first transformation in Alien Force (Swampfire, another fire alien).
31	* CardboardPrison:
32	** Pretty much anything for a guy who can pass through matter, like Ben as Big Chill. He lampshades this by saying he could have left any time he wanted.
33	** [[spoiler: Alpha's incredibly dense sphere that Rex created to trap him turns out to be one of these.]]
34	* CasualDangerDialogue:
35	** After Alpha has just gone Heatblast:
36	---> '''Ben:''' Can he ''do'' that?\
37	'''Rex:''' I think he just did.\
38	(''Alpha roars and breaths fire, causing the two to runaway'')
39	** Later:
40	---> (''Alpha has gone Four Arms'')\
41	'''Ben:''' Okay, you got to admit, that looks pretty cool. (''tires to transform, but the Ultimatrix still won't work'') Should I try those [[YouFightLikeACow insults]] now?
42	* CompositeCharacter: Alpha is effectively an EVO, and then, at the climax, hacks the Ultimatrix, allowing him to turn into some of Ben's aliens.
43	* CreateYourOwnVillain: Alpha was created by Ceasar as a way to control nanites. He then sent it into the [[{{WesternAnimation/Ben10}} Null Void]] to try and get rid of it. [[NiceJobBreakingItHero Unfortunately, Ceasar didn't realise the Null Void was inhabited, allowing Alpha to get hosts and eventually return]].
44	* DangerRoomColdOpen: When Rex and Six are sparring.
45	* DiegeticSoundtrackUsage: Several times; one episode has Rex trying to write his own theme song at the beginning of the episode, the result being one to the melody of the first ''WesternAnimation/{{Ben 10}}'' series.
46	* DoesThisRemindYouOfAnything: '''Alpha:''' "The [[Literature/TheBible beginning and the end]] of all things, I am [=AlphaOmega=]!"
47	* FastballSpecial: Twice:
48	** The first time, Four Arms!Ben throws Rex so his Smack Hands can have more "oomph".
49	** The Second time, Rex fires normal!Ben from the Slam Cannon, with Ben transforming into Cannonbolt mid-flight.
50	* FireForgedFriends: When they first meet, Ben and Rex end up fighting each other and keep arguing for a good part at the beginning of the story, but gradually come to become friends as the episode goes on.
51	* FusionDance: Between Rex and Upgrade!Ben. This form comes complete with a super jetpack, RocketPunch (perfect for EyeScream!), MacrossMissileMassacre, a full-on [[CoolBike rocket cycle]], and improved CoolSword.
52	* HeterosexualLifePartners: Ben and Rex, by the end of the episode.
53	* HowDoIShotWeb: Ben gets [[ShockAndAwe Shocksquatch]] for the first time, and doesn't know what he does.
54	* JustEatHim: How [[BigEater Upchuck!]]Ben deals with the super-heavy nanite sphere. Rex's reaction is priceless:
55	--> '''Rex:''' Wow. That's just... wow.
56	* LetsYouAndHimFight: Ben thinks Rex is an alien, Rex thinks Ben's an EVO, you get the picture. [[spoiler:It ends in a draw]].
57	* LukeYouAreMyFather: Alpha thinks Cesar is his father. Cesar is less than convinced.
58	* MotifMerger: As seen in the page image, Rex's gear and Ben's Ultimatrix are shown fused in promotional material. This also happens in the special, namely [[spoiler:when Upgrade merges with Rex's nanites]].
59	* NegativeSpaceWedgie: Sets off the plot.
60	* OneWingedAngel: Alpha does it ''several times'':
61	** [[spoiler:When he absorbs all nanites in the Bug Jar, this cause him to turn into a massive, bulky, skull-faced being]];
62	** [[spoiler:When he hacks the Ultimatrix, he is able to steal its abilities and turn into Evos giant versions of Heatblast, Humungousaur, and Four Arms.]]
63	** [[spoiler:Finally, when he absorbs the Omega nanite from Rex, he is able to turn into an ever bigger and more powerful Evo, calling himself [=AlphaOmega=]]]
64	* OurVampiresAreDifferent: Like [[WesternAnimation/GeneratorRex Van Kleiss]], Alpha drains nanites from other things. The difference is that his victims turn to dust instead of getting TakenForGranite.
65	* PhlebotinumBreakdown: Alpha manages to knock out Ben's Ultimatrix, so he's reduced to throwing rocks.
66	* PlayAlongPrisoner: Ben when Providence "captures" him right after their fight.
67	--> '''Rex''': In case you hadn't noticed, [[TemptingFate we're holding you under house arrest]].\
68	'''Ben''': grins You aren't holding me. I was staying so I could see how I could help. turns into Big Chill and walks out
69	* PowerCopying: Alpha manages to copy Ben's Ultimatrix, giving him versions of [[PlayingWithFire Heatblast]], [[MultiArmedAndDangerous Four Arms]] and [[MakeMyMonsterGrow Humungousaur]].
70	* PsychoPrototype: Alpha the prototype nanite program.
71	* SentientPhlebotinum: Alpha.
72	* SequelHook: The special ends with many potential elements for a sequel; [[spoiler:Ben is explicitly mentioned to have been infected with nanites upon his arrival in Rex's world, Alpha is shown breaking out of his prison inside the Null Void, and Six suggests Rex and Ben could meet again at the end of the special]]. However, Generator Rex's third season ended up being it's last, and the showrunner for [[WesternAnimation/Ben10Omniverse the Ben 10 installment following Ulimate]] explicitly stated he wanted nothing to do with these ideas (and never did), making this an AbortedArc.
73	* TheStinger: [[spoiler:Alpha is showing signs of breaking out of the nanite sphere it's trapped in.]]
74	* StomachOfHolding: Ben uses Upchuck to [[spoiler:transport the compressed Alpha who now weights a few tons]].
75	* SuperheroOrigin:
76	** Ben and Rex explain theirs to each other at the same time.
77	** Also, Alpha's origin is narrated by Ceasar, though in this case, it's more of a Super''villain'' Origin.
78	* TeethClenchedTeamwork: Between Rex and Ben, for a while.
79	* ThreePointLanding: Done by Six early on, when fighting Alpha's original build.
80	* TransformationNameAnnouncement: Averted in this case. Ben doesn't do it.
81	* TransformationSequence: Unlike Ben, Alpha gets one for his Heatblast transformation.
82	* TrappedInAnotherWorld: Ben.
83	* VeinOVision: Alpha can see the nanites in other creatures.
84	* WeakButSkilled: Rex compared to Ben. Ben's aliens give him a wider array of abilities and they are on the whole stronger than Rex, but Rex is more creative with the skills he does have. For example, he uses the Slam Cannon to launch concrete to bypass Lodestar's magnetic abilities.
85	* WhatHappenedToTheMouse: Black Knight is never seen again after her attempt to close the rift fails.
86	* WorfHadTheFlu:
87	** Six was critically injured during the initial fight with Alpha, putting him out of commission for the rest of the special.
88	** To a minor extent, Ben lost to Rex in their fight only because he was distracted saving civilians, and spent part of the fight with Alpha with his Ultimatrix malfunctioning.
89	* YouHaveGotToBeKiddingMe: Ben gets extremely annoyed that no one in Rex's world knows who he is, saying indignantly that he is a superhero. He eventually finds out he is in a parallel universe.

Context WesternAnimation / Ben10GeneratorRexHeroesUnited