1986 CE
Gillian Joins the Crew
Gillian decides to go with the crew to the future, beaming aboard as the ship takes off. #StarTrek #scifi
Chronological Storyline (35 Milestones)
1986 CE
Discovery of George and Gracie
Gillian shows Kirk and Spock two humpback whales, George and Gracie, who will soon be released into the wild. #StarTrek #scifi
1986 CE
Transparent Aluminum Demonstration
Dr. Nichols at Plexicorp is skeptical until Chekov provides the molecular formula for transparent aluminum, leading to its creation. #StarTrek #scifi
1986 CE
Plan to Steal the Whales
Kirk convinces Gillian to help them steal George and Gracie from the institute before they are released. #StarTrek #scifi
1986 CE
Nighttime Break-in at the Institute
The crew breaks into the institute at night, using the Bird of Prey's cloaking technology to avoid detection. #StarTrek #scifi
1986 CE
Transporting Whales to Ship
Using a transporter, the crew beams the two humpback whales directly into the Bird of Prey's cargo bay. #StarTrek #scifi
1986 CE
Water Shortage for Whale Tank
The cargo bay lacks sufficient water for the whales, forcing the crew to use the ship's reserve water. #StarTrek #scifi
1986 CE
Second Slingshot Time Warp
The Bird of Prey again uses the Sun's gravity to accelerate to time warp speed, returning to 2286. #StarTrek #scifi
1986 CE
Arrival in 1986 San Francisco
The Bird of Prey materializes in Earth orbit in 1986 and lands in Golden Gate Park, San Francisco. #StarTrek #scifi
1986 CE
Kirk and Spock Visit Marine Institute
Kirk and Spock go to the Sausalito Cetacean Institute to investigate humpback whales, meeting whale biologist Gillian Taylor. #StarTrek #scifi
1986 CE
Chekov and Uhura Seek Transparent Aluminum
Chekov and Uhura visit Plexicorp to obtain transparent aluminum, using the formula from the future to prove their credibility. #StarTrek #scifi
1986 CE
Spock Uses Mind Meld on Probe?
Spock attempts a Vulcan mind meld on the probe's signal but finds it non-biological. #StarTrek #scifi
1986 CE
Gillian Discovers Time Travelers
Gillian becomes suspicious of Kirk and Spock, eventually learning they are from the future. #StarTrek #scifi
1986 CE
Chekov and Uhura Arrested?
Chekov and Uhura are not arrested; they successfully retrieve the transparent aluminum demonstration. #StarTrek #scifi
1986 CE
Bird of Prey Detected by Authorities
Earth authorities spot the cloaked ship, forcing a hasty departure. #StarTrek #scifi
1986 CE
Escape from 1986
The Bird of Prey lifts off from Golden Gate Park and heads back to the Sun for another time warp. #StarTrek #scifi
1986 CE
Release of the Film
Star Trek IV: The Voyage Home is released in theaters, becoming a box office success and critical favorite. #StarTrek #scifi
2286 CE
NCC-1701 Returns to Earth
The USS Enterprise (NCC-1701) returns from its previous mission, and the crew learns of the probe crisis. #StarTrek #scifi
2286 CE
Gillian Settles in the Future
Gillian Taylor is given a position at the Cetacean Institute of the future. #StarTrek #scifi
2286 CE
Kirk Demoted to Captain
As punishment, Kirk is demoted from rear admiral to captain and given command of the new USS Enterprise (NCC-1701-A). #StarTrek #scifi
2286 CE
Crew Faces Final Court Martial
Kirk and the crew are brought before the Federation Council for their actions. #StarTrek #scifi
2286 CE
Whales Respond to Probe
George and Gracie respond to the probe's signal, and the probe ceases its attack. #StarTrek #scifi
2286 CE
Slingshot Time Warp Initiated
The Bird of Prey accelerates around the Sun, achieving warp factor and creating a time warp to the year 1986. #StarTrek #scifi
2286 CE
Kirk Decides to Time Travel
Realizing the only way to save Earth is to bring back humpback whales from the 20th century, Kirk proposes a slingshot time warp around the Sun. #StarTrek #scifi
2286 CE
Spock Analyzes Probe Signal
Spock determines that the probe's signal is a language designed to communicate with humpback whales, an extinct species. #StarTrek #scifi
2286 CE
Global Chaos from Probe Signal
The probe's signal creates massive energy surges across Earth, disabling power grids and causing environmental disasters. #StarTrek #scifi
2286 CE
Probe Approaches Earth
An alien probe of unknown origin enters the solar system and begins emitting powerful signals toward Earth, causing severe disruption to electrical systems and planetary oceans. #StarTrek #scifi
2286 CE
Court Martial Proceedings Begin
Captain Kirk and his crew face court martial for their actions during the previous film, including stealing the Enterprise. #StarTrek #scifi
2286 CE
Crew Steals Klingon Bird of Prey
The crew commandeers a captured Klingon Bird of Prey, the HMS Bounty, for their mission. #StarTrek #scifi
2286 CE
Return to 2286
The Bird of Prey reappears in 2286 Earth orbit, still under attack from the probe. #StarTrek #scifi
2286 CE
Probe Departs Earth
The probe, having completed its mission, leaves Earth's orbit. #StarTrek #scifi
2286 CE
Whales Released into Ocean
George and Gracie are released into the 23rd-century ocean, ensuring their survival. #StarTrek #scifi
2286 CE
Spock's Half-Brother?
No half-brother in this film; Spock continues his role. #StarTrek #scifi
2286 CE
Final Scene on New Enterprise Bridge
Kirk and crew take command of the new USS Enterprise-A, looking forward to new adventures. #StarTrek #scifi
2286 CE
End Credits: 'Star Trek IV' Theme
The film ends with the iconic Star Trek theme and a dedication to the whales. #StarTrek #scifi