Star Trek IV: The Voyage Home

Corrected entry: Given the distance the probe must have traveled before it reached the Neutral Zone it would had to have encountered starships long before encountering Saratoga, so why didn't Starfleet know about the probe before Saratoga was neutralized?

Correction: Several reasons. The Klingons are enemies with Starfleet. About ready to go to war thanks to Kirk, so they're not likely to report anything to Starfleet about a dangerous probe coming their way. Also, you never know the path it traveled & what/if any federation ships came into contact with it. And, the ones that did would have lost power & not been able to communicate to Starfleet. Starfleet only regained power after the probe was satisfied that they were able to communicate with the whales.

envisaged0ne

Corrected entry: The computer screens that Spock is testing himself on are already responding with "correct" before he answers the questions.

Correction: There is no part during the questioning in which the computer answers correct before he answers the question. They do a segue where they show the computer asking questions & saying correct quickly. This is to show that Spock is being asked a lot of questions & getting them all correct, until they get to the final question "how do you feel?" It's shot that way intentionally to fast forward through all the questions he's asked & show how much he knows.

envisaged0ne

Corrected entry: Kirk conveniently has the broken pair of reading glasses with him that he sells to the antiques dealer in 1986. The glasses were damaged at the end of "Wrath of Khan" which means he would have no further use for them, but for some reason he would have had to have them on him during the events of "Search For Spock" for them to be stranded with him on Vulcan, just as he and the crew were at the beginning of the movie.

Correction: In The Wrath of Khan, it was established that Kirk carried the glasses with him, only putting them on when needed. Even though he never used them in Search for Spock doesn't mean he didn't have them with him.

Corrected entry: In the last quarter of the movie Kirk is beaming on board the "bird of prey" and Doc Gillian is clasping him so she beams on board too. She wants to travel into the future and tricks Kirk out. So long so good, but why is Kirk beaming on board in the first place? One minute earlier the sick Checkov and 3 other crew members walked in using the ship's ramp. Did they close the ramp knowing that Kirk is still standing outside? And the trick with clasping Kirk is OK, but they could just as easily beam her out again or kick her out using the ramp.

Goekhan

Correction: It's plausible that they started to close the ramp as they boarded the ship, presuming Kirk was walking right behind them & wasn't going to stop to talk to Dr Gillian. It's also plausible that Kirk, being distracted by Gillian's insistence to come aboard, grabbed his communicator to beam up since that was 2nd nature for him. Or he simply didn't want to walk up the ramp, fearing she'd just follow him in. Then he underestimated her leaping onto him during a beam up. As for them just beaming her back to the park, they would wait for Kirk's order, but he gave in & decided she would be beneficial to them if she stayed aboard, thus never giving the order.

envisaged0ne

Corrected entry: When the 'Bounty' materializes above the whaling ship, the close-up of the captain and navigator frantically turning the ship around reveal that only the captain has his hands on the wheel; the navigator is flapping his hands in the air rather than helping turn the wheel of the whaling ship.

Correction: The navigator is freaking out, seeing a giant space ship materialize in front of him. He's obviously not thinking straight, thinking he's turning the wheel. If something like that happened to an ordinary person, they probably wouldn't know what they were doing either.

envisaged0ne

Corrected entry: When the Bounty takes off from Vulcan and flies away, no shadow is visible despite the fact that it is a very sunny day.

xx:xx:xx

Correction: This is incorrect. Vulcan has multiple suns, so there would be minimal shadows cast.

Corrected entry: When Spock and Kirk theories over who the probes signal might be meant for, Spock say "The President did say it was directed at earths oceans", the president never said that, he only said it was vaporizing the oceans, he never mention it being directed anywhere.

Correction: If it's vaporising the oceans, it's hardly an unreasonable assumption that it's aimed at them. If it was having negative effects across the world, affecting everywhere, the President would hardly have singled out the oceans to comment on.

Tailkinker

Corrected entry: In the scene where the commander of the navy ship is on the phone, first he is told that nobody knows why they are having a power drain. Then suddenly he makes a call and says that there is an intruder. There is no way he or anyone else could have suddenly known there was an intruder, because nobody had physically seen or detected Chekov and Uhura yet. And there is no "modern" technology that could drain power from the reactor so there was no reason to equate the power drain to an intruder alert.

gawdsmak

Correction: When he is informed about the power drain the phone rings. He speaks with someone that calls him Chief, apparently one with higher rank, and tells him that they are tracking the drain too and asks about an opinion of what it is. Then the scene cuts to Uhura and Chekov who try to communicate with Scotty, and after the scene goes back to the Navy and Commander Rogerson who says "Confirmed, roger that" and he makes the phone call about the intruders. Apparently on the phone they pick the transmission of Uhura and Chekov or identify exactly where the power drain was and informed the commander on duty.

Anastasios Anastasatos

Corrected entry: In the scene where Scotty beams up the whales and water to the ship, you can see the water completely fills the compartment from top to bottom so the whales would have had no air layer to breathe.

gawdsmak

Correction: We don't actually know the internal structure of the tank, nor can we see it in the movie. The top of the glass is not automatically the top of the tank/water surface; in other words, the height of the tank may be higher than what we can see from the outside. The water surface may go higher than the glass we are able to see, and therefore, have air up there.

Corrected entry: In the scenes where Kirk's communicator goes off (like during dinner with the scientist lady) to simply inform him that Chekhov is about to beam to the ship, this completely goes against his first orders given before they landed that communicators should only be used in case of emergencies.

gawdsmak

Correction: Uhura and Chekov were about to infiltrate a United States vessel in order to steal nuclear particles. Sounds like an emergency to me.

JC Fernandez

Corrected entry: In the scene where they spray paint the ship, you can see the ship is suspended on landing gear. then later when it lands in the park cloaked, the special effect shows the garbage can being compressed under the ship, and the outline of the entire ship indenting into the ground, as if the entire ship is making contact with the ground,but really only the small area of the landing gear should be compressing the ground and only at certain points.

gawdsmak

Correction: At no time do they ever show an entire indentation of the ship in the ground. Even when Scotty is looking down through the invisible ship while loading the plexiglass the only indentations in the ground are from the landing gear.

BocaDavie

Corrected entry: In the scene where the helicopter is flying, the plexiglass is much smaller than the size they had previously stated (60 by 10 feet).

gawdsmak

Correction: The previous statement they made about the size of the plexiglass was an estimate. They obviously had to change the sizes - either because of the helicopter's lifting capacity or because of the size of the openings at the top of the warbird.

BocaDavie

Corrected entry: When Kirk and his crew stand before the Federation President, they are there to answer for the charges against them in the previous film. Other than trying to get a ship to Genesis, McCoy should not be included in the hearing since he had no way of knowing that Kirk would break him out of jail, steal the Enterprise, then escape to Genesis.

jbrbbt

Correction: Just like you said, they broke him out of jail. At that point he was a fugitive. And he went along with the plan, making him an accomplice.

Greenman37

Corrected entry: When the Marines are chasing Chekov aboard the aircraft carrier, the sign "Escape Route" and an arrow can be seen stenciled in paint on the wall.

jbrbbt

Correction: This is just a marking so sailors have visual clues on the best evacuation route in an emergency.

MAdMaN

Corrected entry: Dr. McCoy advises Scotty about giving the manufacturer the formula for the transparent aluminum for fear that it would alter history. Yet he himself gives the elderly woman in the hospital the pill that grows her a new kidney, hence future medical technology in the hands of 20th century physicians, something doctors and others would definitely be studying after the woman's miraculous recovery.

jbrbbt

Correction: Why would it alter history? Unexplained 'miracles' happen in medicine often enough. And its not out of character for Bones to put his Hippocratic Oath above the Prime Directive.

Grumpy Scot

Corrected entry: It is established at the start of the movie that the Klingon Bird of Prey is the same one that they flew to Vulcan in Star Trek III: Search for Spock. The bridge of the ship however is totally and utterly different to the one shown in the previous movie. There can be no claim to suggest they remodelled it in their time on Vulcan, because everyone still uses the controls with a degree of caution, which they wouldn't do if they modified it to suit their needs.

GalahadFairlight

Correction: There most certainly can be made a claim that they remodeled it on Vulcan. What difference does it make if they, "use the controls with a great deal of caution?" People use brand new things and things they are already familiar with a great deal of caution. And this measurement is highly subjective at best. The crew is likely a bit apprehensive because the "guts" of the ship, for lack of a better term, are still Klingon. Scotty even speaks negatively of the dilithium crystals in the ship at point.

Corrected entry: The humpback whales are about to be returned to Alaska for release back into the wild. Dr. Gillian Taylor tells Kirk and Spock that Gracie is "very pregnant." In that event, the whales should be released in Hawaii instead of Alaska. Humpbacks give birth in warm, south Pacific waters during the winter and later migrate north for summer.

xx:xx:xx

Correction: A specific date or time of year is never mentioned, however the weather in San Francisco, as well as the clothing of its denizens suggests that it's not winter and may very well be the height of summer. If so, dropping the whales off in the Alaskan waters where they are more likely to encounter a pod to join is completely justified. Yes, whales typically birth in the warm Hawaiian waters over winter, but George and Gracie were in captivity. The situation could very well have altered their natural cycle.

JC Fernandez

Corrected entry: Immediately after the whales' transponders are located in the Bering Sea, Gillian can be seen mouthing, "How can you do that?" without sound, then she is immediately seen and heard giving the same line from another camera angle.

Correction: She first wondered to herself, mouthing the words with little or no sound, then immediately spoke up to actually ask Kirk the question.

johnrosa

Corrected entry: When the crew starts to evacuate the Bird of Prey from the ship's hatch, the sound stage wall is easily visible.

Correction: That's the wall of the escape hatchway, not the sound stage wall.

johnrosa

Corrected entry: In the chase scene where Checkov is being rescued from the hospital, there is a shot where the crew bursts through some doors and knock over a man on crutches wearing a cast. As he falls, Bones grabs him and the camera pans off. Once the camera pans, you can hear Bones say to him, "Great shot!" This was on the video version of the movie. I haven't seen the DVD.

Correction: As the shot opens, when McCoy holds the door open for Kirk (who pushes Chekov's gurney through the doorway), McCoy turns around just in time to see the man with a leg cast (being assisted by a candy-striper) lose his balance and fall backwards directly onto the bench beside the wall, right next to another man. McCoy is pleased that the man landed perfectly on the bench, when he concernedly rushes to him and says, "Great catch" as he leans down.

Super Grover

Corrected entry: In a scene with Norwegian whalehunters, the sailors speak Finnish not Norwegian. They are also using somewhat obscene words, maybe all sailors do.

Correction: There is a minority people in Northern Norway called the Kvens. They originally came from Finland, and the language they speak, the Kven language, is still quite close to Finnish even though it has adapted at least some lexical aspects from Norwegian. Being a Finn, I understand what the whalers say, but can recognize some words that are more Norwegian than Finnish.

Corrected entry: When Spock announces "Gracie is pregnant," Gillian slams on the brakes and stops her truck. Look at the convex mirror on the passenger side next to Kirk. Despite the fact that there are joggers and other things moving in the background, there is no movement in the mirror; at that angle the viewer should have seen lots of movement in the convex mirror.

xx:xx:xx

Correction: In the brief moment the convex mirror is shown as the car stops, its reflecting side is not visible. The rest of the scene is an interior shot, the mirror is not visible, and there is plenty of action in the background.

Corrected entry: Starfleet has serious regulations on bringing future technology to inappropriate time periods (which is why the Bird of Prey remained cloaked during it's time in 1986). Chekov being fully aware and considerate of these regulations, considering he has been in Starfleet for about 20 years should have never tossed the Klingon phaser (23rd Century technology) at the navy officer (20th Century person) with full knowledge that he'll never be able to retrieve it. He is too smart for it to have been panic.

Correction: Maybe a bad error in judgment, but a character mistake, not a movie mistake.

wizard_of_gore

Corrected entry: At the Start of the Final scene of the film, when the crew are approaching the new Enterprise-A in the inspection pod, Kirk is correctly wearing a Captain's Rank Pin on his tunic, however, his tunic still has the gold braiding of an Admiral.

xx:xx:xx

Correction: Kirk probabaly hasn't had enough time to fully update his uniform.

Corrected entry: In the operating room, just after Kirk welds the lock shut, Bones is leaning over Checkov, he reaches out his hand and we assume Dr. Gillian hands him the piece of equipment that he puts on Chekov's forehead to heal him. How did she know what equipment to give him as it was from hundreds of years into the future and Bones doesn't actually ask for it?

Foff44

Correction: Bones says to Dr. Gillian "We're going to have to look like physicians." He could have explained the device to her while she was telling him how to look like a 20th century physician.

Corrected entry: In a scene early in the movie where Spock is being tested by 3 computers the computer output is being displayed on clear screens that look like teleprompters. One of the camera angles is looking up at Spock from behind the screen. To the viewer the words in the question are backwards (forwards to Spock), but when the word "Correct" is displayed it is forward to the viewer (backwards to Spock).

Correction: There are 2 screens for each computer, one facing Spock, the other facing away from him. Everything that appears on Spock's screen appears exactly the same direction on the other screen, and both the questions and the word "correct" appear forwards.

Corrected entry: When Kirk, McCoy and Dr Taylor escape from the hospital with Chekov, they are "beamed out" of the elevator and "beam" back in at the park next to the Bounty. My understanding is that the transporters can "beam" people from the transporter itself to another place, or from another place back to the transporter, but not from another place to yet another place. I realise that this is required in the movie, because when they arrive back at the Bounty, Kirk tries to tell Dr Taylor she can't come with them, which would have been awkward if they were on board at the time, but it is still a small mistake.

Correction: Transporters are quite capable of doing what's depicted in the film - it's generally referred to as a site-to-site transport. It's not something that happens terribly often in the films and series, for the simple reason that it's not often required and it takes up a lot more power than a simple transport to or from the transporter pad itself. But they've always been capable of doing it.

Tailkinker

Corrected entry: In the scene where Gillian picks up Kirk and Spock as they are walking back from the Cetacean Institute, Gillian asks, "Where are you going?" to which Kirk replies, "Back to San Francisco." They are already back in San Francisco, walking along the Marina Green. In fact, if we assume they are walking back to their ship in Golden Gate Park, they're going the completely wrong way.

Correction: The expression "Back to San Francisco" from where Kirk and Spock are standing is completely appropriate. The Golden Gate Bridge is at the edge of the city, and the downtown area and attractions are several miles to the east, along the northeast edge of the peninsula. So, while they are legally within the city limits, they have quite a ways to go before getting to the main part of the city.

Corrected entry: Between ST3 and ST4, the bridge set of the Bird of Prey changes from a two-level room with the captain on a raised platform and the crew in front of him, to a one-level room with two stations behind the captain and a console in the front.

Correction: During the crew's exile on Vulcan, between ST3 and ST4, Scotty made a number of changes to the Bird of Prey. Presumably, these included changing the bridge configuration.

Corrected entry: In the scene where they are landing the cloaked Klingon ship in Golden Gate Park, it crushes a garbage can and depresses the ground several inches. However, after the ship lands you can still see grass blowing in the wind under where the ship is supposedly sitting.

Correction: The ship itself is not sitting on the ground - the landing gear are holding the ship up, much in the same way they would hold up an airplane. Thus while the legs are in contact with the ground, there's open air under the hull.

Corrected entry: Reactor rooms are sealed spaces. No marine with a dog would be able to patrol it, especially without a radiation suit.

Correction: The room is a *restricted* space, if it were sealed how would they use anything inside of it? And you would not need a radiation suit to enter a reactor room, the reactor itself is radiation shielded so that it doesn't leak.

Corrected entry: Didn't the crew notice on their sensors that there was a garbage truck with two garbage men in the park, right next to where they landed?

Correction: The crew are in a alien vessel that they learned to fly themselves so they don't know everything about it & they're also in a time that they're not familiar with. They may not have known what the garbage truck was & didn't see the men as they were too busy landing for what was probably only the second time.

Corrected entry: In the scene where the ship lands in the park, a garbage can is blown around, and then crushed by the ship. But a ship landing would cause things to be blown away from where it was landing, and the garbage can is blown from outside where the ship lands to directly under it, almost as if the landing ship was sucking the can under it, which would not happen.

Correction: Not necessarily. If this can were placed between two of the thrusters, it could very easily be blown to the place exactly between them which would have made it even more likely that it would be placed directly under one of the central landing gear struts.

Garlonuss

Corrected entry: The reactor compartment can be seen though a window and billowing steam or smoke is visible. While a neat effect, the steam produced in a reactor is contained in piping. Smoke or steam visible is a very "bad" thing - like 3 mile island or Chernobyl.

Correction: I can't find any smoke or steam. Which reactor are you referring to? If you are referring to the nuclear reactor on the Enterprise, then a timecode would be greatly appreciated. However, if you are referring to the reactor on the Bounty, that is a Matter/Antimatter reactor mediated by dilithium crystals and does not necessarily follow the same rules as a nuclear reactor.

Garlonuss

Corrected entry: Chekov and Uhura beam aboard the USS Enterprise (air craft carrier) to collect radiation to recrystallise the dilithium so they can leave. When I served aboard a nuclear powered ship, we normally shut down the reactor after we came into port. There is negligible amount of radiation produced from a shut down nuclear reactor.

Correction: True, but Star Trek technology is far in advance of ours, so they were able to get what they needed even from a shut-down reactor. It would be like using a lighter to start a caveman's cold fire after he gave up rubbing sticks together.

Grumpy Scot

Corrected entry: Why bother traveling back to 1986 to get a whale? Why not travel back to the year 500, with no hostile people around. After all; they claim that the whales have been around for 10000 years or so... It can't be the need for nuclear fuel, because Scotty discovers the problem with the Klingon dilithium crystals AFTER the crew has travelled back in time. Only after discovering the problem does the crew decide to collect high-energy photons from a nuclear reactor. At the time they were deciding to go back in time, they had no idea there was going to be a problem with the crystals. Hence, the logical decision at the time would have been to go back to the distant past where the risk to the time continuum would have been minimal.

Correction: Time travel is imprecise, especially the "sling-shot" technique they used (compared to other methods in other films). They could not aim for a specific year, and Kirk does ask what year it is. Probably they were just trying to get to a time when Hump-Back whales were still around and weren't thinking about what time period they were going to end up in. From the filmmakers' standpoint, it would have been easier to have them go to "present" time, rather than farther back. Plus the crew needs not only a whale, but also the technology and materials to build the 'fishtank' inside the Bounty. Hence they would travel to a time where such materials had already been invented.

Corrected entry: In the scene near the end of the movie where the crew is celebrating in the San Francisco Bay after the probe has left, Spock appears to be smiling and laughing as everyone frolicks in the water. Doesn't this go against his Vulcan suppression of emotions, which historically only came out when something was wrong with him?

Correction: Spock is half human, half vulcan. Maybe his human half reacts in that moment very strongly and he can't hold his emotions.

Bjoern_Buller

Corrected entry: In every movie Klingon cloaking shields show a visible distortion in the background, like heat waves coming off a pavement. When the whale specialist comes looking for Kirk in the park, she bumps into a perfectly invisible (as in no distortion) Klingon bird-of-prey.

Correction: They're only distorted when moving.

Corrected entry: When Kirk and Spock go to get money, Kirk sells the glasses that Bones gives him for his birthday. Spock questions him about this, and Kirk says that Bones will give them to him again. That would I suppose would be theoretically possible except they return to their time moments after they leave, not before they leave.

Correction: This is not a mistake. This is an example of a "temporal causal loop" phenomenon. Chain of events: Bones buys or receives glasses. Bones gives Kirk glasses. Kirk sells glasses to antiques dealer. Antiques dealer fixes lenses. Glasses go through a chain of people through the intervening years from the antiques dealer to Bones. Bones buys or receives glasses... You get the idea. While Kirk won't have the glasses back when they get home, he will still be given them for his birthday in the future.

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Quotes

Kirk: Mr. Spock, have you accounted for the variable mass of whales and water in your time re-entry program?
Spock: Mr. Scott cannot give me exact figures, Admiral, so... I will make a guess.
Kirk: A guess? You, Spock? That's extraordinary.
Spock: [to Dr. McCoy] I don't think he understands.
McCoy: No, Spock. He means that he feels safer about your guesses than most other people's facts.
Spock: Then you're saying... It is a compliment?
McCoy: It is.
Spock: Ah. Then, I will try to make the best guess I can.
McCoy: Please do.

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Mistakes

In the scene where Sulu flies the helicopter and accidentally turns on the windshield wiper, look closely at the bottom of the wiper and you can see the crewman's finger manually moving the wiper.

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Trivia

Kirk Thatcher, an associate producer of the film, played the punk on the bus, and also wrote the song ("I Hate You") the punk is listening to on his boombox.

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