🎯 Quick Overview
Trailer
- Director: Leonard Nimoy
- Genre: Sci-Fi, Adventure, Comedy
- Release year: 1986
- Runtime (length): 1h 59min
- IMDb rating: 7.3/10 (194K votes)
- Rotten Tomatoes: 82%
😅 Plot Summary – Badly Explained
A group of space criminals go back in time to steal some whales because a giant toilet paper roll is mad Earth won’t sing along.
🍿 Star Trek IV: The Voyage Home: Detailed Plot Synopsis
A Threat From the Stars
In the year 2286, a massive cylindrical probe enters Earth’s orbit, emitting a powerful and disruptive signal. This signal causes widespread power failures and catastrophic weather events, threatening to destroy the planet. Starfleet Command issues a dire warning: Earth is in peril, and all ships should avoid the planet.

Identifying the Signal
The crew of the captured Klingon Bird-of-Prey, led by Admiral James T. Kirk and including the recently resurrected Spock, are living in exile on Vulcan. Upon receiving the distress call, Spock realizes that the probe’s signal matches the song of the long-extinct humpback whale. He deduces that the probe is attempting to communicate with these creatures and will continue its destructive path until its call is answered.

Journey to 1986
Faced with Earth’s impending doom, Kirk and his crew make a daring decision: to use the Bird-of-Prey to travel back in time to 1986 and bring a pair of humpback whales to the future. They execute a risky slingshot maneuver around the sun, initiating their time travel journey. Their mission: save the whales and save the world.

Adapting to the 20th Century
Arriving in 1986 San Francisco, the crew struggles to adapt to the unfamiliar customs and technology. They hide their cloaked ship in Golden Gate Park and split into teams to accomplish essential tasks. Kirk and Spock seek out humpback whales, while Scotty, McCoy, and Sulu work to create a tank to transport them. Uhura and Chekov attempt to acquire the necessary power to recharge their ship.

Encountering Dr. Gillian Taylor
Kirk and Spock locate two humpback whales, George and Gracie, at the Cetacean Institute under the care of Dr. Gillian Taylor. They learn that the whales are about to be released into the wild. Spock performs a mind meld with Gracie, discovering she is pregnant. Kirk attempts to charm Gillian and convince her to help, but she remains skeptical.
Acquiring Resources and Facing Peril
Meanwhile, Scotty and McCoy trade the formula for transparent aluminum for the materials needed to build the whale tank. Uhura and Chekov attempt to siphon energy from a nuclear-powered ship, the USS Enterprise (CVN-65), but are discovered. Uhura beams back to the ship, but Chekov is captured and severely injured during his escape, landing him in a 1980s hospital.
Saving the Whales and Returning to the Future
Gillian, discovering the whales are being released prematurely, seeks Kirk’s help. Together, with McCoy, they rescue Chekov from the hospital and return to the Bird-of-Prey. After saving George and Gracie from whalers, they transport the whales aboard their ship and journey back to the 23rd century, with Gillian joining them. This sets the stage for the film’s climax, where the whales are their only hope.
⚠️ Spoilers and Ending Explained
🎬 Cast & Characters
- Kirk (William Shatner): The daring Admiral who leads his crew on a time-travel mission to save Earth.
- Spock (Leonard Nimoy): The logical Vulcan who uses his intellect to understand the alien probe and the whales.
- McCoy (DeForest Kelley): The ship’s doctor, who provides medical assistance and sarcastic commentary throughout their journey.
- Scotty (James Doohan): The resourceful chief engineer who adapts future technology to 20th-century equipment.
- Gillian (Catherine Hicks): The cetacean biologist who aids Kirk and Spock in their quest to find and protect the whales.
💬 Memorable Quotes
- Spock: “They like you very much, but they are not the hell ‘your’ whales.” – Spock attempts to use profanity after Kirk uses it, but misplaces the modifier.
- Dr. McCoy: “In the dark ages, they called it the Spanish Inquisition.” – McCoy’s humorous complaint about the medical practices of 20th-century doctors as he attempts to help Chekov.
- Kirk: “Double dumbass on you!” – Kirk’s attempt to insult a San Francisco cab driver, showing his unfamiliarity with 20th-century slang.
- Spock: “To hunt a species to extinction is not logical.” – Spock makes a statement about humanity’s treatment of whales, underscoring the film’s environmental message.
- Scotty: “The more they overthink the plumbing, the easier it is to stop up the drain.” – Scotty’s observation about 20th-century technology as he attempts to use a Macintosh computer.
💰Box Office
- Budget: $25,000,000
- Domestic Gross: $109,713,132
- Worldwide Gross: $109,713,132
💥 Star Trek IV: The Voyage Home Reviews
Personal Review
I absolutely love Star Trek IV. It’s the Star Trek movie that I always recommend to people who aren’t familiar with the franchise. The whole time travel aspect and seeing the crew interact with 1980s San Francisco is hilarious. Spock on the bus with the punk rocker is comedy gold! The ecological message is a little heavy-handed, but it’s still relevant today. This movie just makes me happy.
- Who would enjoy:
- “Star Trek fans”
- “Fans of science fiction comedies”
- “Viewers interested in environmental themes”
- “Families looking for an entertaining adventure”
- Content warnings ⚠:
- “Mild language”
- “Some scenes of peril”
- “Brief moments of medical procedures”
- “Themes of environmental concern”
Professional Reviews
- Empire Magazine: “Star Trek IV smartly balances a strong environmental message with crowd-pleasing humor. The cast shines, and the fish-out-of-water scenario delivers consistent laughs.
- Variety: “A thoroughly enjoyable entry in the Star Trek franchise, The Voyage Home is a crowd-pleaser that avoids the series’ usual solemnity. Leonard Nimoy’s direction is sharp, and the story’s ecological themes resonate.
- RogerEbert.com: “While the plot might stretch credulity, the charm of the original cast and the humor derived from their interactions with 1980s culture make this a delightful and accessible sci-fi adventure.
Audience Reactions
Viewers found Spock’s attempts at understanding 1980s culture to be the most hilarious part of the movie.: Most viewers praise the film’s humor, heart, and positive message.
Fans love the scene where Scotty tries to use a Macintosh computer with voice commands.: Audience members often mention how much fun it is to see the crew out of their element.
Overall Consensus: Star Trek IV is widely considered to be one of the most accessible and enjoyable films in the franchise, praised for its humor, heart, and positive message.
Awards
- Saturn Award (Best Science Fiction Film)- 1987
🛠️ Behind the Scenes
- “The film opens with a dedication to the crew of the Space Shuttle Challenger disaster, a poignant touch given the themes of exploration and the future.”
- “Layla Sarakalo, the woman who answers Uhura and Chekov when they are looking for the nuclear vessel, was a non-actor who happened to be on set when her car was towed. Her unscripted line was kept in the film due to its spontaneity.”
- “Leonard Nimoy directed both this film and ‘Three Men and a Baby’ in the same year, showcasing his versatility as a director.”
- “Catherine Hicks’ character, Dr. Gillian Taylor, was originally intended to travel to the future and become Spock’s love interest. This idea was ultimately dropped.”
🖥️ How to Watch Star Trek IV: The Voyage Home?
Star Trek IV: The Voyage Home is widely available for streaming and purchase. You can find it on Paramount+, and for purchase or rental on platforms like Prime Video, Apple TV, Google Play Movies, and Vudu. Check your local listings for cable on-demand options as well.

🎥 Similar Movies
If you enjoyed Star Trek IV: The Voyage Home, you might like these similar films:
- Back to the Future (1985): A classic time travel adventure with a strong comedic element, featuring characters adapting to a different era.
- Arrival (2016): Features linguistics as key to understanding alien species, reflecting the film’s themes of communication and connection.
- E.T. the Extra-Terrestrial (1982): A science fiction story centered around connecting with and protecting an alien being, with a focus on empathy and understanding.
- Galaxy Quest (1999): A comedic take on the Star Trek concept, poking fun at science fiction tropes and fandom with self-aware humor.
🛒 Star Trek IV: The Voyage Home Related Products
- Star Trek IV: The Voyage Home (Original Motion Picture Soundtrack): Relive the iconic moments with the complete soundtrack. A must-have for fans of the film’s score.
- Star Trek: The Original Motion Picture Collection [Blu-ray]: Own all six original Star Trek films in stunning high definition. Includes Star Trek IV: The Voyage Home.
- Star Trek: The Voyage Home – Humpback Whale Plush: A cuddly tribute to George and Gracie, the whales who saved the world. Officially licensed Star Trek merchandise.
- Star Trek – USS Enterprise NCC-1701-A – Metal Earth 3D Model: Build your own miniature USS Enterprise NCC-1701-A from Star Trek VI: The Undiscovered Country. A detailed and rewarding model.
🎧 Soundtrack
Star Trek IV: The Voyage Home features a captivating soundtrack that enhances the movie’s atmosphere and emotional impact. Here are some notable tracks:
- “Main Title” – performed by Leonard Rosenman
- “Theme From Star Trek (TV Series)” – performed by Alexander Courage
- “End Credits” – performed by Leonard Rosenman
You can find the complete soundtrack on Amazon Music and Apple Music.
🤨 FAQ
The probe was emitting a signal that was actually the song of the humpback whale, a species extinct by the 23rd century. The probe was essentially calling out for a response, and its destructive actions were a result of not receiving one.
The crew used a ‘slingshot effect,’ which involves traveling at warp speed around a star (in this case, the sun) to create a time warp. This method of time travel has been used in other Star Trek episodes and films.
Dr. Gillian Taylor, played by Catherine Hicks, joins Starfleet and is assigned to a science vessel after traveling to the future with Kirk and his crew. While there is an implied romantic interest between her and Kirk, they ultimately part ways as she pursues her scientific endeavors.
Admiral Kirk was demoted to Captain as a consequence for disobeying Starfleet orders and destroying the USS Enterprise in Star Trek III: The Search for Spock. Despite saving Earth, his previous actions had to be addressed.
🔥 Bonus Content
10 Dumbest Things In Star Trek IV: The Voyage Home (1986)
Ever wondered about the plot holes or questionable choices in ‘Star Trek IV: The Voyage Home’? This video takes a lighthearted look at some of the film’s more amusing missteps. Prepare to laugh and re-evaluate your love for this classic movie.
Spock Neck Pinches Punk Rocker! Star Trek IV: Voyage Home!
Who doesn’t love a good Spock moment? This clip showcases his iconic neck pinch in a hilarious scene from ‘Star Trek IV: The Voyage Home.’ Plus, you’ll learn a fun fact about the filming of this memorable encounter.
Great Moments in Star Trek History – Hello, Computer
Prepare to be amazed! This video reveals a hidden detail about the ‘Hello, Computer’ scene in ‘Star Trek IV: The Voyage Home.’ It’s a heartwarming tribute to the late Jimmy Doohan and a reminder of the sacrifices made by those who served our country.
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