History WesternAnimation / BeavisAndButtHeadDoTheUniverse

* {{Expy}}: Serena Ryan serves the same (albeit toned-down) role in this film that Dallas Grimes did in ''Do America'': a FemmeFatale who Beavis and Butt-Head mistakenly believe they have been hired to have sex with. Although she did try to have the boys killed out of frustration (which, to be fair, stemmed from them causing literally billions of dollars of damage to America's space program), she is not so criminal as to use them to smuggle a WMD, like Dallas did.

* FishOutOfTemporalWater: Beavis and Butt-Head end up being flung to the year 2022. Naturally, being unfamiliar with the times, the duo don't know how to use a smartphone and misinterpret white privilege; being [[TheDitz Beavis and Butt-Head]], they'll probably never fully catch up.

* AllForNothing: [[spoiler: Smart Beavis and Smart Butt-Head spend most of the film trying to avert the destruction of the universe by urging Beavis and Butt-Head to go through a portal, shifting its location at several points at great personal expense and suffering injuries along the way to remind the duo of the stakes and how they are the only ones who can do it. By the end, Jim Hartson winds up accidentally being sucked through instead...and the universe is saved anyway. As Smart Butt-Head points out, they could've just tossed a brick through the portal and avoided the whole mess in the first place]].

* CouldHaveAvoidedThisPlot: Beavis and Butthead need to go through a time portal back to their own time in order to save the universe. At the end of the movie [[spoiler:Hartson gets sucked into it and it does the trick. Smart Butthead realises that throwing a brick through it would have done.]]

* DitzyGenius: Smart Beavis and Smart Butt-Head may be the most intelligent versions of Beavis and Butt-Head, but they can still make silly mistakes. Smart Butt-Head himself notes that being the smartest versions of [[TooDumbToLive Beavis and Butt-Head]] isn't exactly glowing praise of their intelligence. At the very least, they're much more self-aware of their (relative) lack of intelligence, and have none of the nihilistic tendencies of the regular duo.

* {{Expy}}: Serena Ryan serves the same (albeit toned-down) role in this film that Dallas Grimes did in ''Do America'': a FemmeFatale who Beavis and Butt-Head mistakenly believe they have been hired to have sex with. Although she did try to have the boys killed out of frustration, she is not so criminal as to use them to smuggle a WMD, like Dallas did.

* ForWantOfANail: It was never a question of whether or not Beavis and Butt-Head would wreck the science fair ([[LethallyStupid this is Beavis and Butt-Head we're talking about]]), only how much. But if the judge for their case had given them a more traditional punishment (or at the very least, gave them a lot of community service if he felt like being merciful), the two would have never got sucked into the black hole that flung them into the future and kicked off the main plot of the film.
** Again, it was only a matter of how much, but if someone didn't make the Powerkick 3000 for the science fair, who knows what would have happened instead.

* BigGood: Smart Beavis and Smart Butt-Head more or less fill this role in the movie. They make contact with Beavis and Butt-Head and warn them of the upcoming destruction of both of their universes and explain how to fix it. They never try to threaten or force Beavis and Butt-Head through the portal back to their time but instead try to reason with them. When it becomes apparent that Beavis and Butt-Head are failing in their quest, Smart Beavis and Smart Butt-Head move the portal twice to make fixing the rip easier. Unlike Beavis and Butt-Head, their Smart counterparts are sincere, calm, respectful, exceedingly patient, and concerned not just about their own lives but also the lives of billions that hang in the balance.

* BlownAcrossTheRoom: How the movie kicks off. Butt-Head convinces Beavis to stand in front of the "Powerkick 3000" at the science fair and suffers a ''painful'' GroinAttack that sends him flying, his high-pitch squeal destroying everything and setting the gym on fire.

* DitzyGenius: Smart Beavis and Smart Butt-Head may be the most intelligent versions of Beavis and Butt-Head, but they can still make silly mistakes. Smart Butt-Head himself notes that being the smartest versions of [[TooDumbToLive Beavis and Butt-Head]] isn't exactly glowing praise of their intelligence. At the very least, they're much more self-aware of their (relative) lack of intelligence.
* TheDogBitesBack: Downplayed. Beavis has a fantasy where Serena becomes his girlfriend and goes on to behead Todd and kill his entire gang just as they're about to beat him up. It's only a dream sequence, but it implies Beavis bore some lingering resentment toward the thug for the way he treated Beavis in the past.
* DullSurprise: Smart Beavis and Butt-Head are so stoic that when the impulse comes up to chuckle and giggle like their more stupid counterparts, they just state how funny they find the situation.

* EnemyMine: Serena and the Pentagon goons chase after Beavis and Butt-Head for completely different reasons, which puts them at odds when they both catch a different boy. However, when they learn that their goals are aligned and they both effectively want to the duo dead, they're happy enough to team up.

* HorribleJudgeOfCharacter: Serena really takes this to new levels. She is completely blind to the boys' obvious idiocy and perversion, viewing them as geniuses capable of completing a very delicate operation in space, and insisting they join her on the mission. She, her crew, and NASA pay very dearly for this mistake. Even after she wises up to Beavis and Butt-Head's personalities, she still makes the mistake of thinking they're out for revenge when all they want to do is have sex with her.

** [[spoiler: Granted, she does have a HeelRealization towards the end when she realizes all this time the boys only wanted to have sex with her instead of killing her, but Serena did admit to committing some crimes in her political career, including killing people, and the film ends with her hooking up with Smart Beavis instead of facing any legal consequences (Hartson ended up being sucked into the portal back to 1998 before he could do anything)]].
** Beavis and Butt-Head, as usual, suffer no lasting consequences for their actions. Over the course of the film, they sabotage an experiment for a once-in-a-trillion years phenomenon, get some people killed, cause an international incident with Russia, and cause all sorts of other chaos. And in the end, they are rewarded with their old house and a new TV.

* MikeNelsonDestroyerOfWorlds: Beavis and Butt-Head once again cause so much chaos and destruction through their utter stupidity. However, special mention has to also go to Serena; by throwing the duo into outer space and sending them careening into a black hole, she unknowingly threatens the existence of ''the entire universe!''

* DitzyGenius: Smart Beavis and Smart Butt-Head may be the most intelligent versions of Beavis and Butt-Head but they can still make silly mistakes. Smart Butt-Head himself notes that being the smartest versions of [[TooDumbToLive Beavis and Butt-Head]] isn't exactly glowing praise of their intelligence. At the very least, they're much more self-aware of their (relative) lack of intelligence.

* LethallyStupid: The fire at the science fair? Small potatoes. This film sees Beavis & Butt-Head's catastrophic idiocy reach new heights (literally) when they destroy millions of dollars worth of equipment in space, ruin a once-in-a-trillion-years mission for [=NASA=], and nearly kill everyone on board. And that's before they get sucked into the black hole, which ends up threatening all existence.

* UnusuallyUninterestingSight: A cyclist walks past the duo and their smart versions unfazed.

* {{Cameo}}: Daria (her first appearance in a ''B&B'' work since the original series ended), Principal [=McVicker=], Mr. Anderson, Mr. Buzzcut, Mr. Van Driessen, Stewart and his mother appear briefly without any dialogue in Beavis and Butt-Head's trial, though [=McVicker=] can be heard muttering "Oh no!". Van Driessen talks to the boys in an earlier scene, and Buzzcut can be seen extinguishing the fire in the burning gym. In a later scene, Todd appears in a daydream Beavis has where Serena decapitates him.

*
** AchievementsInIgnorance: Beavis and Butt-Head were able to flawlessly pull off a space docking sequence again and again and again and ''again'' for hours on end, ''and'' creatively use a robotic arm as a backup stabilizer, which no engineer thought of, purely because they were amused at how much the actions looked like sex and masturbation to them. It's what convinces Serena and NASA to bring them along on the mission despite their lack of astronaut experience.
** Butt-head manages to repeatedly track down and tail with the NSA van. All without knowing how to drive and, for most of the chase, going ''in reverse''.

* AchievementsInIgnorance: Beavis and Butt-Head were able to flawlessly pull off a space docking sequence again and again and again and ''again'' for hours on end, ''and'' creatively use a robotic arm as a backup stabilizer, which no engineer thought of, purely because they were amused at how much the actions looked like sex and masturbation to them. It's what convinces Serena and NASA to bring them along on the mission despite their lack of astronaut experience.

* {{Cameo}}: Daria, Principal [=McVicker=], Mr. Anderson, Mr. Buzzcut, Mr. Van Driessen, Stewart and his mother appear briefly without any dialogue in Beavis and Butt-Head's trial, though [=McVicker=] can be heard muttering "Oh no!". Van Driessen talks to the boys in an earlier scene, and Buzzcut can be seen extinguishing the fire in the burning gym. In a later scene, Todd appears in a daydream Beavis has where Serena decapitates him.

* AchievementsInIgnorance: Beavis and Butt-Head were able to flawlessly pull off a space docking sequence again and again and again and ''again'' for hours on end, ''and'' creatively use a robotic arm a a backup stabilizer, which no engineer thought of, purely because they were amused at how much the actions looked like sex and masturbation to them. It's what convinces Serena and NASA to bring them along on the mission despite their lack of astronaut experience.

* EveryoneHasStandards: Even characters who liked Beavis and Butt-Head and/or showed lots of lenience toward them, like Stewart and Mr. Van Dreissen, show disapproval of the judge's incredibly light sentence.

* KarmaHoudini: [[spoiler: Granted, she does have a HeelRealization towards the end when she realizes all this time the boys only wanted to have sex with her instead of killing her, but Serena did admit to committing some crimes in her political career, including killing people, and the film ends with her hooking up with Smart Beavis instead of facing any legal consequences (Hartson ended up being sucked into the portal back to 1998 before he could do anything)]].

* LethallyStupid: The fire at the science fair? Small potatoes. This film sees Beavis & Butt-Head's catastrophic idiocy reach new heights (literally) when they destroy millions of dollars worth of equipment in space, ruin a once-in-a-trillion-years mission for [=NASA=], and nearly kill everyone on board.

''Beavis and Butt-Head Do the Universe'' is an American adult animated science-fiction comedy film based on the MTV animated television series ''WesternAnimation/BeavisAndButtHead''. Written and starring series creator Creator/MikeJudge, it is the second film adaptation of the series, and a sequel to 1996’s ''WesternAnimation/BeavisAndButtHeadDoAmerica''.