Line #12 Film/HotTubTimeMachine


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11	[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/Hot-Tub-Time-Machine_poster_9353.jpg]]
12
13	->''"It must be some kind of... hot tub time machine."''
14	-->-- '''Nick Webber-Agnew'''
15
16	A 2010 comedy film directed by Steve Pink (also known for doing ''Film/{{Accepted}}'') that features an ensemble cast including Creator/JohnCusack, Creator/RobCorddry, Creator/CraigRobinson and Clark Duke.
17
18	Friends Adam (Cusack), Lou (Corddry), and Nick (Robinson), along with Adam's nephew Jacob (Clark Duke), take a trip to a ski resort where Adam, Lou and Nick used to hang out to relive good times after Lou attempts suicide. However, while getting drunk in a hot tub, Lou spills some Chernobly (a type of Russian Red Bull) onto the hot tub controls, turning it into a time machine. The hot tub sends the four back to 1986, where Adam, Lou and Nick have regained their youth and replaced their 1986 selves. (Jacob, for some reason, is not a zygote. This goes unexplained, though he occasionally goes static like a television image with poor reception.)
19
20	A hot-tub repairman (Creator/ChevyChase), who may or may not be MrExposition, occasionally drops by to have {{Cryptic Conversation}}s about how to return to 2010 and the consequences of changing the past. This, however, doesn't stop the three from trying, much to the dismay of Jacob, who feels that their actions may put his very existence in jeopardy via the ButterflyEffect.
21
22	The last film to be distributed by Creator/{{MGM}} before its bankruptcy and reorganization as a pure producer and co-funder as well as the last film credited by Creator/UnitedArtists until Annapurna and MGM revived the brand in 2019. A sequel was released on February 20, 2015, and takes place 10 years in the future.
23
24	----
25	!!This film contains examples of:
26	* TheEighties: In full effect.
27	* ActorAllusion:
28	** One scene features the line: "I want my two dollars!" which is a reference to ''Film/BetterOffDead'', one of Creator/JohnCusack's earliest films (which also took place at a ski resort).
29	** On seeing all the drugs in Adam's suitcase, Jacob says "What are you, Creator/HunterSThompson?" to which Adam replies, "I thought I was." Creator/JohnCusack was close friends with Thompson, and attended his funeral. On a more meta note, Cusack had also campaigned for the role of the Thompson equivalent in ''Literature/FearAndLoathingInLasVegas'', a role that eventually went to Creator/JohnnyDepp.
30	* AlmightyJanitor: Ok, Almighty Hot Tub Repairman. Who might or might not know about it being a time machine and definitely knows more than he should about electronics.
31	* AnalogyBackfire:
32	-->'''Adam:''' By the way, where does it say in the fucking Friendship Handbook that you are the only one who's allowed any fucking problems?\
33	'''Lou:''' I forgot that it says in the Asshole Handbook that you can just fuck over your friends whenever you want!\
34	'''Adam:''' Actually, it would say that in the Asshole Handbook if it was, like, guidelines for being an asshole, that's what it would say.
35	* AndStarring: The film buries an "and introducing Creator/WilliamZabka"[[note]]as Rick, though not noted[[/note]] after the cast list in the end crawl, presumably as a joke [[note]]Zabka's first of many screen roles was in the original 1984 version of ''Film/TheKarateKid'', slightly before the 1986 setting of this film[[/note]].
36	* ArtisticLicenseHistory:
37	** Music/MotleyCrue's "Home Sweet Home" was already released in 1985; a year before it would have been possible for Lou to create the song.
38	** A poster for ''Film/RamboIII'' is seen on Blane's bedroom wall, despite the film being set over two years before ''Rambo III'' was released in May of 1988.
39	** Music/{{Poison}} performing at Kodiak Valley is seen as a big deal and April is covering the band for Spin Magazine, but in 1986 Poison had not yet achieved mainstream fame (that wouldn't happen until 1987).
40	** Blaine references ''Series/TwentyOneJumpStreet'' when he's arguing that the mains are Commie spies, but that didn't debut until 1987.
41	** The first time Blaine and Chaz see Jacob, they act as though they've never seen a snowboard before and don't know what it is. Snowboarding has existed as a sport as far back as the 1970s, although in 1986 it was still a niche sport and most ski areas did not allow snowboarders. Still, the ski patrol personnel at Kodiak Valley would definitely know what a snowboard was.
42	** The Denver Broncos' game winning drive in the AFC Championship game is lampooned despite it taking place in 1987.
43	** Adam references "Sweet Child O' Mine" by Music/GunsNRoses. ''Appetite For Destruction'' didn't come out until 1987, and the song itself wasn't released as a single until 1988.
44	** Downplayed with the "What color is Michael Jackson?" bit. By 1986, Jackson's skin was already several shades lighter due to his vitiligo having spread over most of his face and body. Though he would retain a mostly tan complexion until the early 1990s.
45	* AsLongAsItSoundsForeign: To ward off Blaine and his mob, Nick pretends to be a "Russian spy" by brandishes the can of Chernobly like it was a bomb and shouting "Da, da, dosvedanya! Dosvedanya! [[UsefulNotes/{{Tennis}} Martina Navratilova]]! Smirnoff Ice! Priviet!"
46	* AsideGlance: After declaring that the hot tub must be "some kind of... [[TitleDrop hot tub time machine]]" following the group's journey back in time, Nick shoots an exasperated look to the camera.
47	* BadFuture: Inverted, as the movie starts out in one. Nick works a dead-end job of cleaning dogs' anuses, Jacob [[BasementDweller lives in his uncle's basement]], and Lou's life is so bad, he attempts suicide. [[spoiler:In the new timeline at the end of the film, Nick lives his dream of being a musician, Lou becomes a billionaire by exploiting what he knew would happen after the '80s, Jacob lives with his rich father, and Adam winds up with the woman he loves.]]
48	* BasementDweller: In the beginning of the film, Jacob lives in his uncle Adam's basement and refuses to get a job or do anything with his life.
49	* BewareTheNiceOnes: Nick puts up with his wife cheating on him but he ends up standing up to her, albeit while she's nine. He also has a bad temper despite his naturally passive behavior.
50	* BiggerIsBetterInBed: Nick's penis is so big [[spoiler: even Lou ends up impressed by it when forced to give him a blowjob]].
51	* BingeMontage: Happens right before the guys travel back in time, with everyone getting progressively more hammered, until they pass out.
52	* BloodyHilarious: [[spoiler: The bellhop ''[[OverlyLongGag finally]]'' losing his arm, ripped off by a passing snowplough.]]
53	* BromanticComedy: It's a male lead comedy and there are only a few female characters.
54	* ButtMonkey: Throughout the course of the film, Lou receives the most physical injuries of the protagonists, including being chased by a gang of {{Knight Templar}}s accusing him of being a Soviet spy.
55	* BreakingTheFourthWall: The film has the scene where the characters realize that the hot tub has taken them back in time. When this dawns upon Nick, he says, "It must be some sort of... [[TitleDrop hot tub time machine]]," and then turns to stare at the audience.
56	* ButterflyOfDoom: The protagonists transported from 2010 to TheEighties are GenreSavvy enough to avert this. They even reference the butterfly effect. They set out to do everything their '80s selves would've done in the same way they would've done it.
57	* CallingTheOldManOut: After Jacob sees [[spoiler:Lou is having sex with Kelly]], he becomes completely flabbergasted that [[spoiler:this makes Lou his father]].
58	-->'''Jacob''': I always knew there was a reason I hated you!
59	* CelebrityParadox: When the group meets Blaine, Jacob mentions ''Film/TheKarateKidPartIII''. Creator/WilliamZabka, best known for the role of Johnny Lawrence in ''Franchise/TheKarateKid'', later appears as Rick, the man Lou makes a bar bet with.
60	* ChekhovsGunman: The squirrel Lou projectile vomits on later [[spoiler: changes the original outcome of a football game Lou bet on.]]
61	* ChronicEvidenceRetentionSyndrome: Adam keeps a box marked "Cincinnati" in his closet, which is apparently evidence of a shameful and shocking NoodleIncident. His friends are horrified that he'd not only keep whatever is inside the box, but plainly mark it "Cincinnati." Adam protests that he can't just throw something like ''that'' away, and he had to mark it so he'd know which box it's in.
62	* ClusterFBomb: If you remove profanity from his lines, Lou is practically mute.
63	* CoitusUninterruptus: Happens when Nick, Adam, and Jacob burst in on [[spoiler:Lou and Kelly.]]
64	* CompoundInterestTimeTravelGambit: Happens at the end, when Lou [[IChooseToStay decides to stay in the past]] and is seen as a billionaire when everyone else returns to the present, having used his knowledge of the events in between.
65	* DeadpanSnarker: Lou.
66	--> '''Nick''': So you're saying I cheated on my wife for no reason?
67	--> '''Lou''': Waaaah!
68	* DelayedRippleEffect: Obviously as an homage to ''Film/BackToTheFuture1'', Jacob starts to flicker and disappear as his parents' mating session is interrupted.
69	* DirtyCommunists: The time travelers are mistaken for communist spies trying to overthrow the American government, after Blaine and the ski patrol find their modern cell phones and [=MP3=] players (which they think are [[ShoePhone spy gadgets]]), and their can of Chernobly.
70	* DoubleStandardAbuseFemaleOnMale: Jenny stabbing Adam in the eye for breaking up with her is treated fairly trivially. Despite knowing what she did, Adam and his friends still think he shouldn't have broken up with her, and when Adam does get angry at her, it’s for her hypocrisy for [[spoiler:getting mad at him when she was going to break up with him anyway]], not for being violent in the first place. Not once does anyone comment that stabbing someone in the eye is a despicable, abusive act.
71	* DrivenToSuicide: At the end of the film [[spoiler:Lou confesses that he ''was'' trying to kill himself at the start of the film]].
72	* [[invoked]] DudeNotFunny: [[spoiler:Kelly is appalled when Lou starts laughing at the Bellhop losing his arm]].
73	* ExtremelyShortTimespan: The 1986 portion of the movie plays out during one night.
74	* EyeScream: Averted with Adam, who was stabbed in the eye''brow''. Still, pretty close call.
75	* FallenOnHardTimesJob: At the beginning of the film, Nick has a job cleaning shit out of dogs' asses.
76	* TheFatalist: Adam.
77	-->'''Adam''': All the choices we make in our life are pointless. There's no escaping the inevitable.
78	* FightFurYourRightToParty: A music-driven montage showing the main characters enjoying the titular hot tub [[BingeMontage while getting hammered]]. At some point the increasingly fragmented and spinning shots start showing a guy in a large bear suit partying with them.
79	* {{Foreshadowing}}: Early on, a coked-out Nick compares their situation to ''Film/TheTerminator'' and how John Connor would have never been born if Sarah and Kyle Reese did not have sex. [[spoiler:Later, it is revealed that Jacob is Lou's son and that Lou and Kelly must have sex in order for Jacob to exist.]]
80	* FourManBand: Adam is the OnlySaneMan, Jacob is TheSmartGuy, Lou is the ButtMonkey and Nick is the CasanovaWannabe .
81	* FourTemperamentEnsemble: Lou is Choleric, Jacob is Phlegmatic, Nick is Sanguine and Adam is Melancholic.
82	* TheFriendNobodyLikes: Lou is this for the gang. His nonstop obnoxious {{Jerkass}} streak and overall sociopathic, self-destructive tendencies that often put him and his friends in peril led the rest of the gang to greatly despise him despite still choosing to hang around him. Even his own son and wife, as seen in the sequel, if Lou continued his ways, would find him to be a "virus" and want nothing to do with him.
83	--> '''Nick:''' You know how every group of friends has that one asshole? He's our asshole.
84	* GivingRadioToTheRomans: PlayedForLaughs -- Lou decides to stay in the 1980s instead of returning to his present, and spends the intervening time becoming a billionaire by getting in on the ground floor of every important innovation since between then and now.
85	* GoingFurASwim: One of the ladies in the film is clearly wearing just a bikini top beneath her fur jacket.
86	* HairTodayGoneTomorrow: Lou is as bald as the actor who plays him -- Rob Corddry. When they first arrive in the past he goes to take a piss and catches sight of himself in the mirror. He's so in awe of his own former glory that he doesn't even stop pissing as he turns to stare in dumbfounded wonder.
87	* HeavyMetalUmlaut: [[spoiler:Mötley Lüe, Lou's multi-platinum-selling band in which he rose to fame after [[IChooseToStay deciding to stay in the past]]]].
88	* HenpeckedHusband: Nick starts out as this, becoming a hyphenate (taking his wife's last name), giving up his dream of being a musician to please her, and [[spoiler:putting up with his wife cheating on him because he doesn't have the courage to confront her about it]].
89	* HeroicBastard: Jacob never met his father and his mother doesn't have a clue who he might even be. [[spoiler: At least until Lou (who, it turns out, always was Jacob's father) changes the past so that he and Kelly get married.)]]
90	* HumiliatingWager: The humiliating bar bet on the outcome of a football game. Because they slightly changed the timeline, the game ends differently, so Lou loses his bet and has to give Nick a blow job in front of everybody.
91	* {{Hypocrite}}: Jenny stabbed Adam in the eyebrow for breaking up with her, except it turns out that [[spoiler:''she'' was going to break up with ''him'' anyway]].
92	* IChooseToStay: [[spoiler:Lou chooses to stay his younger self in 1986 [[TheSlowPath and relive his life]], instead of going back to 2010 with his friends. Adam also chooses to stay behind, but Lou pushes him into the hot tub for the return trip]].
93	* ImmoralRealityShow: ''Choozy Doozy'' in the sequel, where Nick is [[BlackComedyRape forced to have sex]] with Lou on national television. Jacob is horrified by the show, only to find out that it's the biggest hit on TV and there are many more shows like it.
94	* InterruptedIntimacy: Adam, Nick and Jacob walk in on Lou having sex with Adam's sister, meaning Jacob [[PrimalScene witnesses his]] [[{{Squick}} own conception]]... sort of. When he tries to attack Lou, he disappears. CoitusUninterruptus has to ensue to ensure Jacob lives.
95	* ImStandingRightHere: Believing Lou to be asleep, Nick and Adam start listing off all the reasons why Lou's life sucks and why he'd want to kill himself. Lou is not asleep, and he calls them out for it.
96	* InvadedStatesOfAmerica: {{Discussed\|Trope}}. Blaine's gang thinks that the time traveling main characters are actually Soviet spies, due to their odd behavior, and the modern-day gadgets that he found in their bags. He mentions the film ''Film/RedDawn1984'', which he owns a poster of in his room.
97	* ItsNotYouItsMe: Verbatim when Adam originally broke up with his girlfriend, ending up [[spoiler: stabbed in his eyebrow by Jenny and again in the AlternateTimeline when ''she'' dumps ''him'' (which she was gonna do in the original timeline anyway), ''stabbing him again'']].
98	* {{Jerkass}}:
99	** Lou is very obnoxious, rude, and immature. He undergoes some CharacterDevelopment and he finally lets go of his friends and accepts them for who they are, making him a JerkWithAHeartOfGold.
100	** [[GangOfBullies Blaine and his crew]] repeatedly gang-up on people (particularly Lou) for [[ItAmusedMe their own amusement]]. [[spoiler:They do help the bellhop when he [[AnArmAndALeg loses an arm]], giving them a PetTheDog moment.]]
101	* KnightTemplar: Blaine and his ski patrol friends. They have a legitimate mission of maintaining law and order on the mountain, but they use this and the [[DirtyCommunists Red Scare]] as an excuse to be {{Jerkass}}es.
102	* LeaningOnTheFourthWall: After Nick says, "[[TitleDrop It's some kind of hot tub-time machine]]", he looks directly at the camera and smiles.
103	* LieToTheBeholder: Adam, Nick and Lou all appear as their younger 1986 selves to everyone but themselves. Jacob is the only one who still appears as he does in then-PresentDay 2010.
104	* ALittleSomethingWeCallRockAndRoll: It's [[HipHop hip-hop]] instead of rock, but Nick, after performing his cover of Rick Springfield's "Jesse's Girl", wows the audience of 1986 with his rendition of [[spoiler:"Let's Get it Started" by Music/BlackEyedPeas]].
105	* LukeIAmYourFather: The unknown guy who impregnated Kelly when she was a sex-crazy teen? [[spoiler: It was Lou, who was too drunk himself in the original timeline to remember even having sex with Kelly]].
106	-->'''Jacob:''' I knew I hated you for a reason, I'm gonna tell everyone in prison I went back in time to kill my own father!
107	* MacGuffin: The can of Chernobly turned out to be what re-activates the time machine. As the can causes the group of protagonists to be MistakenForSpies, however, the can is stolen by a group of {{Knight Templar}}s who [[RedScare think the can is secretly a bomb.]]
108	* ManicPixieDreamGirl: April. Played surprisingly straight, she just appears in Adam's life, fixates on him (particularly odd, since she's apparently an established music journalist and Adam's a teenager), takes him out of the dull funk that he's in, and even engages in some low-level breaking and entering for the sake of romance.
109	* TheMasochismTango: [[spoiler: Lou and Kelly end up married, bickering and fighting all the time]]. And loving it!
110	* MaybeMagicMaybeMundane: The film repeatedly draws attention to this trope and straddles a strange line between playing it straight and parodying it in the character of the Hot Tub repair man, who may just be a {{cloudcuckoolander}} repair man, or may be some sort of TimePolice setting the time travelers on their way. Jacob even lampshades it, by noting that the repairman's words perfectly support either theory, and asks if it would kill the repairman to just give him a straight answer.
111	* MentalTimeTravel: Everyone takes the appearance of their younger selves with the exception of Jacob, who was conceived on the day the group travel to.
112	* MentorArchetype: Parodied with the repairman, who keeps dropping cryptic references without ever directly informing the characters about anything and vanishing every time in the thin air when nobody is looking in his direction.
113	* MetalHead: The teenage version of Lou has long hair, a leather jacket, and an Music/IronMaiden t-shirt. Making him a pretty typical 1980s metalhead.
114	* MistakenForSpies: Because the group has 21[-[[superscript:st]]-] technology such as [=iPods=] and cell phones that Blaine and his gang confuse with [[ShoePhone spy equipment]] and the fact that Lou was carrying Chernobly, Blaine assumes that all of them are Soviet spies.
115	* MisterSandmanSequence: The film has one of these when the four protagonists reach the ski lodge and realize that it's TheEighties. Featuring leg warmers, [[UsefulNotes/RonaldReagan Reagan]], EightiesHair, ''Series/MiamiVice'' T-shirts, cassette players, cell phones the size of bricks, Creator/{{MTV}} [[NetworkDecay playing music videos]], and more all to set the mood.
116	-->'''Nick:''' What color is Music/MichaelJackson?
117	-->'''Girl:''' Black?
118	-->'''Nick:''' <runs screaming>
119	* ModestyBedsheet: [[spoiler:When Adam, Nick, and Jacob walk in on Lou and Kelly having sex, the bedsheet is positioned to prevent any kind of nudity from being seen]].
120	* MsFanservice: Tara (the busty groupie that Nick hooks up with) and Zoe (the girl who "only does two at a time"). Both women have very small roles, yet both appear topless. One of the red band trailers for the film consisted solely of alternate topless footage of Tara bouncing up and down in the tub.
121	* NeverMyFault: Adam has a bad case of this when it comes to sorting issues with all the different girlfriends he had in his life, starting with Jenny, his first (and only) love. And then there is [[spoiler: [[FairWeatherFriend his inability to stand behind Lou]] when he needed it most as a teen]].
122	* NeverTrustATrailer:
123	** Nick's best line in the trailer, re: his fetish for ''Series/TheGoldenGirls'', isn't in the movie.
124	** In a trailer for the sequel, Lou getting shot in the groin is used as a joke. It becomes the driving force for the movie.
125	* NoodleIncident:
126	** Adam, Nick and Lou twice perform a reverent (and unexplained) round chant of "Great white buffalo..."
127	** Whatever happened in Cincinnati. Lou is horrified that Nick kept something from the incident in his closet, labelled "Cincinnati" no less, but Nick implies that it would be too dangerous to try to dispose of it.
128	* NoOntologicalInertia: Jacob keeps flickering with ''video cassette static'' each time something endangers his very conception.
129	* NostalgiaFilter:
130	** At first Adam can't remember ''why'' he broke up with his old girlfriend, Jenny, and because he only recalls good things about her he believes that he made a huge mistake by dumping her. [[spoiler:Once we actually meet her in the past and find out how shallow and crazy she is, it's not hard to see why Adam dumped her. [[TheFatalist But he was still unhappy with the whole situation]]]].
131	** This applies to the entire pack. They reminiscent their '86 stay in Kodiak Valley as the best weekend they ever had together. [[spoiler: But it turns out Adam ended up with a messy and painful aftermath of breaking up with Jenny, Nick's performance in the club was him badly covering "Never Dance Again" with everyone booing and worst of it all, Lou was not only left alone by his friends in the moment he needed them most, but was contemplating suicide for the first time]]. But since so many years have passed and they were originally piss-drunk most of the time, they only have a very vague recollection of how things played out.
132	* NotGoodWithRejection: In the original timeline, Jenny stabs Adam in the eye(brow) with a fork after he breaks up with her. [[spoiler: Considering she was going to break up with ''him'' makes it only worse]].
133	* TheObiWannabe: The mysterious repairman delivers lots of [[IceCreamKoan cryptic and ominous-sounding warnings]], from which the gang infers that doing anything differently will screw up the timeline in unpredictable ways (like a vomit-covered squirrel changing the outcome of a pro-football game). [[spoiler:They end up defying him, and it turns out to be largely BS as Lou stays in the past to redo his life and makes his life infinitely better by the present day]].
134	* TheOneThatGotAway: Adam views his old girlfriend Jenny as this. But once he goes back in time and starts hanging out with her again it's easy to see why he broke up with her. Then he becomes [[TheFatalist depressed]] about it, especially after finding out she was originally gonna dump ''him'', believing the choices he made in his life are pointless.
135	* OrangeBlueContrast: The whole movie has a deep teal and orange tint.
136	* OurTimeMachineIsDifferent: The Hot Tub. Seems obvious, right?
137	* PedalToTheMetalShot: Used when Lou accidentally poisons himself with [[DeadlyGas carbon monoxide]] in his car.
138	* PercussiveMaintenance: Jacob, when he starts going static, ends up hit in the head by Nick like a faulty TV. It helps for a while.
139	* PetTheDog: Blaine and his ski patrol buddies spend most of the film as complete [[JerkAss jerkasses]], but in the end [[spoiler:they manage to redeem themselves somewhat by working quickly and professionally to save the Bellhop's arm]].
140	* PillarOfLight: When transporting the group back to the present, the hot tub builds a glowing vortex reaching into the sky.
141	%% * PoliticallyIncorrectHero: Lou. [[spoiler:During the ending he even refers to his wife and son as "faggots."]]
142	* PortalPool: A hot tub serves as a portal to the past.
143	* ReallyGetsAround: Adam's sister, Kelly. The first time we meet her she openly expresses her desire to have sex with a member of the ski patrol. [[spoiler: Later that night, she ends up having drunken sex with Lou (and conceiving Jacob in the process).]]
144	* RepeatingAd: On the weekend it came out in theatres, commercials for the film could be seen nine times in just over an hour.
145	* RippleEffectProofMemory: [[spoiler: When the gang comes back to the future, they have no memory of Lougle or the success that they have enjoyed for the last few decades. It's left open if they ever get any memories or just need sizable help from Lou and their beloved ones to learn how history played out this time around]].
146	%% * RuleOfFunny: The overriding principle in the name of which all errors mentioned herein can easily be excused.
147	* RunningGag:
148	** The bellhop repeatedly failing to lose his arm in situations where he should have.
149	** In the deleted scenes, it's revealed that Miss Only-Does-Two-Guys-At-A-Time ensnared a significant percentage of the male cast during the night, but each time one of them running off.
150	* ScrewDestiny: After they find out [[spoiler: Adam still didn't break out with Jenny, both Lou and Nick decide to play the rest of the day to get the most of it, rather than repeating the mistakes they've done in the past. Eventually Adam joins in, but only after ''Jenny'' breaks up with ''him'']].
151	* SetRightWhatOnceWentWrong: [[spoiler: Starting very shy, with Adam being unable to break up with Jenny, but when his friends learn about this, they instantly decide to screw all the humiliation they've originally had to endure and run wild with their remaining time. In the end this results in them all having much better lives than they did before, not to mention Lou's decision to stay behind and profit on his knowledge of the future]].
152	* SexDrugsAndRockAndRoll: Check, check, and check! The '86 weekend the trio had turns out to be an never-ending hard party with everyone getting laid at least once.
153	* ShoutOut:
154	** A very subtle one to ''Franchise/TheHitchhikersGuideToTheGalaxy''. It's squirrels instead of mice, but there's clearly more than meets the eye going on with them.
155	** Also, while Adam is talking with the ManicPixieDreamGirl in the house they broke into, a quick "Okay, so you're a [[Series/DoctorWho Time Lord]], and this hot tub is your [[TimeAndRelativeDimensionsInSpace space ship]]". This scene is also framed like the final scene of ''Film/SixteenCandles''.
156	** "I want my two dollars!" is a reference to Creator/JohnCusack's early film ''Film/BetterOffDead''. (It’s even mentioned as a DVD subtitle).
157	** When Lou [[spoiler:finally snaps and beats up Blaine]] it's an obvious (shot-for-shot and [[spoiler:punch-for-punch]]) reference to a similar scene in ''Film/AChristmasStory''. And just before that happens, someone in the room shouts "[[Film/TheKarateKid Get a body bag]]!"
158	* TheSlowPath: [[spoiler:Lou stays behind in the past because his life in the original time line sucked. He uses the opportunity to make better decisions, and uses his knowledge of the future to become very rich. It's played with, though, because his physical age remains the same--his mind from the present had traveled back to inhabit his younger self]].
159	* TheStoner: Adam has enough illegal drugs in his briefcase to overdose an elephant. [[spoiler: When he hits mushrooms, he turns even more eloquent than sober]].
160	* SuckECheeses: Adam tells a story about how his father (and several others) died of salmonella poisoning after going to The Enchanted Forest of Pizza, a fantasy-themed pizza place.
161	* SuddenlySober: Adam takes coke, weed and mushrooms in his hotel room and can't even get up from the floor. His nephew, Jacob, then bursts into the room and tells him he needs his help. Adam is completely sober in the next scene.
162	* TakeThat: At one point, Lou suggests preventing Music/MileyCyrus from from being born.
163	%% * TechnologyMarchesOn: Pointed out in-universe.
164	%% -->'''Nick:''' Somethin's goin' on in here. Dude is rockin' a ''cassette player''. !
165	* AThreesomeIsManly: Lou and Jacob meet a woman who claims she only does "two at a time." But Jacob refuses to participate, much to Lou's disappointment.
166	-->'''Lou:''' Every young man dreams of having a threesome!
167	-->'''Jacob:''' Not with another dude!
168	-->'''Lou:''' It's still a threesome!
169	* TimeTravelersAreSpies: Blaine and the ski patrol mistake the main characters for Soviet spies after finding their cell phones and [=MP3=] players (which they think are [[ShoePhone spy gadgets]]), and their can of Chernobly energy drink with its [[TheBackwardsR Cyrillic lettering]] (which they think is a bomb).
170	* TimeyWimeyBall: The film is really inconsistent with its time travel mechanics. Four friends travel back to one day in 1986 and hijack their younger bodies, so everyone sees them as their younger selves. Except one of the friends -- Jacob -- wasn't born yet and looks the same in the past as he did in the present, and can also interact with the past, but whenever something happens that might possibly stop his conception he flickers out temporarily. Initially the friends, fearing the ButterflyOfDoom, try to enact a StableTimeLoop by making sure the big events they remember from that night still happen, but then they change their minds and try to make sure the night goes better the second time around. Some of the big events they remember still happen no matter what they do, but no in the way they remember them. Other events they really do alter. Meanwhile they directly or indirectly cause a couple of historical changes. [[spoiler:In the end Lou decides to stay behind and use his knowledge of the future to greatly improve his and everyone's lives. When the other three friends get back they all have much better lives but do not remember them]].
171	* TitleDrop: "It must be some kind of... Hot Tub Time Machine." Craig Robinson lampshades the trope by delivering a deadpan AsideGlance to the camera immediately after saying the line.
172	* TrailersAlwaysSpoil:
173	** Depending on which trailer you saw, one of them shows [[spoiler:Lou aboard the huge yacht he bought himself after inventing Lougle, therefore spoiling the fact that he stays in the past]].
174	** Another trailer showed Jacob [[spoiler:seeing his mother in 1986, and then shows her in bed with Lou saying "I feel pregnant"]].
175	* TwoPersonPoolParty: Nick's younger self is having hot tub sex with a girl named Tara.
176	%% * ValleyGirl: April.
177	* VomitIndiscretionShot:
178	** [[spoiler:Jacob pukes on Lou when the Bellhop's arm gets ripped off by a passing snowplow]].
179	** A particularly nasty one happens right after they wake up after their night in the hot tub. For extra points, it hits a squirrel, blowing it away.
180	* WeirdnessSearchAndRescue: The guy who fixes the hot tub and acts like he knows about time travel. However, he doesn't ''tell'' them about the time travel.
181	* WealthyEverAfter: The film ends with Lou remaining in the past and using his knowledge of the future for personal financial gain. By present day he is a multi-billionaire. His other friends are also better off than they were before their time travel adventure.
182	* WealthyYachtOwner: Lou exploits his knowledge of the future to become a billionaire. At the end of the film he is seen aboard a huge yacht named ''Violator''.
183	* WhatTheHellHero: After being beaten up by Blaine and his friends, Lou emotionally chastises Nick and especially Adam for being piss-poor friends who are never around when he needs them. Adam argues at first, but eventually has to admit that Lou is right.
184	* WhatTheHellIsThatAccent: InUniverse. Adam's fake Russian accent sounds nothing like a real Russian accent.
185	* WhatYearIsThis: A clever variation appears: instead of directly asking the year, Nick asks, "What color is Music/MichaelJackson?" (The answer "black" confirms he has traveled into the past).
186	* WorldOfJerkass: Just about everyone is either dysfunctional, obnoxious, hedonistic, violent, or a combination of all four.
187	* WrongNameOutburst: During Nick's intense [[TwoPersonPoolParty pool sex scene]] he shouts out the name of his wife, Courtney, while the girl insists on being called Tara.
188
189	%%!!The sequel contains examples of:
190	%% * AssholeVictim: Lou
191	%% * GroinAttack: Someone subjects Lou to this at the start.
192	%% * ItCanThink: The smart car
193	%% * SadistShow: In-universe these are very popular
194	%% * WhodunnitToMe: The main plot

Context Film / HotTubTimeMachine