Star Trek: The Next Generation
Parallels
| S 7 | Ep 11 | 1993/11/27 |
| TV Series Episode | 45 min | |
| ACT ADV SF | USA | |
On his return from a bat'leth competition in the Klingon Empire, Worf finds himself shifting realities where events and details are in a constant state of flux and only he is aware of the changes. Wikipedia: While returning from a Bat'leth tournament, Worf experiences a series of alternate timeline shifts after which he finds himself back in his time line at the exact moment of initial deviance
Star Trek: The Next Generation
Firstborn
| S 7 | Ep 21 | 1994/04/23 |
| TV Series Episode | 45 min | |
| ACT ADV SF | USA | |
In an effort to help him accept his Klingon heritage, Worf and his son, Alexander, attend an ancient Klingon ceremony. Wikipedia: A mysterious Klingon tries to inspire Alexander to show an interest in Klingon ways.
Star Trek: The Next Generation
All Good Things (Parts 1 and 2)
| S 7 | Ep 25 | 1994/05/23 |
| TV Series Episode | 105 min | |
| ACT ADV SF | USA | |
Capt. Picard finds himself shifting continually into the past, future and present and must use that to discover a threat to humanity's existence.
Star Trek: Deep Space Nine
Meridian
| S 3 | Ep 8 | 1994/11/14 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | USA | |
Dax falls in love with one of the residents of a multi-dimensional planet, while on DS9 an alien requests a holosuite program of Kira from Quark. The planet bounces between two dimensions -- with a 60 year timespan between trips.
Star Trek: Deep Space Nine
Past Tense: Part 1
| S 3 | Ep 11 | 1995/01/02 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
Sisko, Bashir and Dax are accidentally sent to San Francisco in the 21st century due to a transporter malfunction, and must figure out how to get back to return without changing the time line. Wikipedia: a transporter accident sends Sisko, Bashir and Dax three centuries into Earth's dark past
Star Trek: Deep Space Nine
Past Tense: Part 2
| S 3 | Ep 12 | 1995/01/09 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
Sisko is forced to take the place of a key historical figure on Earth in 2024 in order to preserve the timeline. Wikipedia: a transporter accident sends Sisko, Bashir and Dax three centuries into Earth's dark past
Star Trek: Deep Space Nine
Visionary
| S 3 | Ep 17 | 1995/02/27 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | USA | |
While a Romulan delegation tries to get information about the Dominion, O'Brien gets visions of unpleasant things that are about to happen in the future. Wikipedia: Exposed to radiation, an unknown catalyst causes O'Brien to make several brief jumps hours into the future as DS9 hosts Romulan and Klingon delegations.
Star Trek: Deep Space Nine
The Visitor
| S 4 | Ep 2 | 1995/10/09 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
Melanie, an aspiring writer, wants to know why Jake Sisko stopped writing at 40. Jake tells how his father died in an accident and then suddenly reappeared. Wikipedia: An elderly Jake Sisko relates the story of how he lost his father.
Star Trek: Deep Space Nine
Little Green Men
| S 4 | Ep 7 | 1995/11/13 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
Quark and Rom take Nog to Earth and Starfleet Academy, but a malfunction with the ship takes the crew back in time, to Roswell New Mexico in 1947. Wikipedia: Quark, Rom and Nog are accidentally thrust back in time to Roswell, New Mexico, Earth in 1947.
Star Trek: Deep Space Nine
Accession
| S 4 | Ep 16 | 1996/02/26 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
A legendary Bajoran appears from the wormhole after more than 200 years and brings back ancient traditions as he assumes the role of Emissary from Sisko. Sisko is happy to give up his position. Meanwhile Keiko returns and O'Brien stops spending time with Bashir.
Star Trek: Deep Space Nine
Trials and Tribble-ations
| S 5 | Ep 6 | 1996/11/04 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
Darvin, a disgraced Klingon spy, travels back in time to alter some events to his likings. The DS9 crew must find what he's trying to change and prevent it without altering the time line. They'll have to blend in with the crew from Star Trek: The Original Series. Wikipedia: the crew travel back to the time of James T. Kirk.
Star Trek: Deep Space Nine
Things Past
| S 5 | Ep 8 | 1996/11/18 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV DRA SF | ||
Sisko, Dax, Odo and Garak find themselves in the past when the Cardassians controlled the station, and a crime that Odo investigated may be the key. Wikipedia: Sisko, Odo, Dax and Garak find themselves on Terok Nor during the Cardassian occupation of Bajor.
Star Trek: Deep Space Nine
Children of Time
| S 5 | Ep 22 | 1997/05/05 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
The starship Defiant is caught in a type of "quantum-bubble" surrounding an inhabited planet. After investigation, it is discovered that the inhabitants are the descendants of the Defiant's crew. Generations of descendants have been living on the planet for many years and their own history began when the Defiant tried to escape from the bubble. Instead of passing through its energy barrier, the ship was thrown back in time two centuries and crashed with no hope of contacting the Federation or repairing the ship. Faced with that reality, the small stranded crew of the Defiant (including Dax, Sisko, O'Brien, etc.) decided to remain and establish a society. Wikipedia: An accident causes the crew to meet their own descendants - and presents them with an ethical dilemma. (more below) The DS9 cast discovers a small colony on a remote world that was originally populated by them 200 years earlier due to a time-travel accident with the Defiant. The current colonists lives depend on making sure that accident happens again, even though they've now forewarned the crew that it will happen. Each crew member needs to decide if they are willing to give up their lives on DS9 in order to preserve the history of the colony.
Star Trek: Deep Space Nine
Far Beyond The Stars
| S 6 | Ep 13 | 1998/02/11 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | USA | |
Captain Sisko has a full sensory vision of himself as an under-appreciated science fiction magazine writer in 1950s America. (visions of 1950s)
Star Trek: Deep Space Nine
Wrongs Darker Than Death or Night
| S 6 | Ep 17 | 1998/04/01 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | USA | |
After receiving some disturbing information for Gul Dukat, Major Kira seeks Sisko's approval as Emissary to travel back in time to find out the truth about her mother. Meanwhile, Chief O'Brien and Dr. Bashir discuss a holosuite program surrounding the Battle of the Alamo. Wikipedia: When Dukat reveals to Kira her mother did not die when she was three, but was actually his lover, Kira goes into the past using the Bajoran Orb of Time to find the truth.
Star Trek: Deep Space Nine
Time's Orphan
| S 6 | Ep 24 | 1998/05/20 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
The Chief's daughter gets caught in a time displacement and when they get her back, she is considerably older. Wikipedia: Little Molly O'Brien disappears in a vortex and later emerges as an almost-feral 18-year-old woman.
Star Trek: Deep Space Nine
The Sound Of Her Voice
| S 6 | Ep 25 | 1998/06/10 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | USA | |
As the Defiant races to a shipwrecked officer who is days away, the crew keeps in contact with her. Meanwhile, Jake follows Quark's latest scheme for story research.
Star Trek: Voyager
| S - | Ep - | 1995/01/16 |
| TV Series | 45 min TV-PG | |
| ACT ADV SF | ||
Pulled to the far side of the galaxy, where the Federation is 75 years away at maximum warp speed, a Starfleet ship must cooperate with Maquis rebels to find a way home.
Star Trek: Voyager
Parallax
| S 1 | Ep 2 | 1995/01/23 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
Voyager has set a course for home, repairs are underway, and it's time to pick personnel to fill vital crew positions. Tempers are turbulent as the Starfleet crew absorbs the undisciplined Maquis. Neelix finds his place as chef and Kes builds the airponics bay. Paris does double duty as Conn Officer and Field Medic. Chakotay recommends Torres for Chief Engineer, but Janeway isn't convinced she can exhibit the professionalism of a Starfleet officer. All must put opinions aside when Voyager mounts a rescue of a ship caught in a quantum singularity, only to find the ship in distress is Voyager itself. Wikipedia: Voyager is trapped in a black hole's event horizon.
Star Trek: Voyager
Time And Again
| S 1 | Ep 3 | 1995/01/30 |
| TV Series Episode | 45 min TV-PG | |
| ACT ADV SF | ||
The Voyager crew discovers a planet which recently suffered a horrific catastrophe. Upon investigation, Janeway and Paris are sent back in time before the disaster and are faced with the decision of whether to try to stop it. Wikipedia: Captain Kathryn Janeway goes back in time one day before an alien city is annihilated.