Time travel episodes

From Memory Alpha, the free Star Trek reference

A list of episodes that feature time travel. For a list of episodes that feature alternate timelines see Alternate timeline episodes. For a list of episodes where we see a parallel universe see Parallel universe episodes.

Contents 1 Star Trek: The Original Series 2 Star Trek: The Animated Series 3 Star Trek Movies 4 Star Trek: The Next Generation 5 Star Trek: Deep Space Nine 6 Star Trek: Voyager 7 Star Trek: Enterprise

[edit] Star Trek: The Original Series

Episode	Departure	Destination	Time travelers	Method
"The Naked Time"	2266	2266 (three days in the past)	USS Enterprise with crew	cold start
"Tomorrow is Yesterday"	2267	1969	USS Enterprise with crew	slingshot effect
	1969	earlier in 1969	USS Enterprise with crew, John Christopher, and an air police staff sergeant	slingshot effect
	1969	2267	USS Enterprise with crew	slingshot effect
"The City on the Edge of Forever"	2267	1930	Leonard McCoy	Guardian of Forever
	2267	1930	James T. Kirk and Spock	Guardian of Forever
	1930	2267	James T. Kirk, Spock, and Leonard McCoy	Guardian of Forever
"Assignment: Earth"	2268	1968	USS Enterprise with crew	light-speed breakaway factor
	1968	2268	USS Enterprise with crew	presumably the light-speed breakaway factor (not shown or mentioned)
"All Our Yesterdays"	2269	unspecified past time period	James T. Kirk	atavachron
	2269	c. 2700 BC	Spock and Leonard McCoy	atavachron
	unspecified past time period	2269	James T. Kirk	atavachron
	c. 2700 BC	2269	Spock and Leonard McCoy	atavachron
	2269	unspecified past time period	Atoz	atavachron
	In addition, it is mentioned that the entire populace of Sarpeidon (including the Prosecutor) as well as many others in the centuries beforehand (including Zarabeth and her family) had previously used the atavachron to travel to the past.

[edit] Star Trek: The Animated Series

Episode	Departure	Destination	Time travelers	Method
"Yesteryear"	2269	unspecified past time period	James T. Kirk, Spock, and Erikson	Guardian of Forever
	unspecified past time period	2269	James T. Kirk, Spock, and Erikson	Guardian of Forever
	2269	2239	Spock	Guardian of Forever
	2239	2269	Spock	Guardian of Forever

[edit] Star Trek Movies

Film	Departure	Destination	Time travelers	Method
Star Trek IV: The Voyage Home	2286	1986	HMS Bounty with crew	slingshot effect
	1986	2286	HMS Bounty with crew, Gillian Taylor, George, and Gracie	slingshot effect
Star Trek Generations	2293	2371	James T. Kirk	nexus
	2371	earlier in 2371	Jean-Luc Picard	nexus
Star Trek: First Contact	2373	2063	Borg sphere and crew (including the Borg Queen)	temporal vortex
	2373	2063	USS Enterprise-E and crew	temporal vortex
	2063	2373	USS Enterprise-E and crew	temporal vortex

[edit] Star Trek: The Next Generation

Episode	Departure	Destination	Time travelers	Method
"We'll Always Have Paris"	The USS Enterprise-D (as well as the USS Lalo, the Coltar IV colony, and the Ilecom system) experiences several short time loops (the Manheim Effect) in this episode caused by a "window" into another dimension.
"Time Squared"	2365	6 hours earlier in 2365	Jean-Luc Picard (aboard the shuttlepod El-Baz)	energy vortex
"Yesterday's Enterprise"	2344	2366	USS Enterprise-C with crew	temporal rift
	2366	2344	USS Enterprise-C with crew and Natasha Yar	temporal rift
"Captain's Holiday"	27th century	22nd century	Kal Dano	unknown
	27th century	2367	Ajur and Boratus	Vorgon technology
"A Matter of Time"	26th century	22nd century	An historian (aboard a time-pod)	temporal distortion
	22nd century	2368	Berlinghoff Rasmussen (aboard a time-pod)	temporal distortion
	2368	22nd century	A time-pod	temporal distortion
"Cause and Effect"	2278	2368	USS Bozeman with crew	temporal rift
	The USS Bozeman was trapped in a temporal causality loop since 2278. The USS Enterprise-D was trapped for only 17.4 days.
"Time's Arrow"	2368	1893	Two Devidians and Data	temporal distortion
	1893	2368	Two Devidians	temporal distortion
	2368	1893	Two Devidians, Jean-Luc Picard, William T. Riker, Deanna Troi, Geordi La Forge, and Beverly Crusher	temporal distortion
	The two Devidians apparently made many trips before and perhaps during the episode to 1893 that were not shown, via temporal distortion.
"Time's Arrow, Part II"	1893	2368	the male Devidian, William T. Riker, Deanna Troi, Geordi La Forge, Beverly Crusher, Samuel Clemens, and Data's headless body	temporal distortion
	2368	1893	Samuel Clemens	temporal distortion
	1893	2368	Jean-Luc Picard	temporal distortion
"Tapestry"	2369	2327	Jean-Luc Picard's consciousness and Q	Q powers
	2327	2369	Jean-Luc Picard's consciousness and Q	Q powers
	2369	2327	Jean-Luc Picard's consciousness and Q	Q powers
	2327	2369	Jean-Luc Picard's consciousness and Q	Q powers
	It is possible that the time traveling in the episode was all an illusion by Q.
"Timescape"	Time is slowed considerably before being reversed due to being trapped in a temporal fragment. Both the USS Enterprise-D and a Romulan warbird were trapped, and a runabout with Jean-Luc Picard, Deanna Troi, Geordi La Forge, and Data entered the fragment.
"Firstborn"	~2410	2370	Alexander Rozhenko	unknown
	2370	~2410	Alexander Rozhenko	unknown
"All Good Things..."	2370	multiple jumps to and from 2364 & an unknown, alternate future timeframe	Jean-Luc Picard's consciousness	Q's power
	2370	3.5 billion years ago	Jean-Luc Picard and Q	Q's power
	3.5 billion years ago	2364	Jean-Luc Picard's consciousness	Q's power
	This time traveling in the episode may in fact be an illusion by Q. It is also unknown how many trips Picard made before he became aware of it (his memory was getting better with each trip).

[edit] Star Trek: Deep Space Nine

Episode	Departure	Destination	Time travelers	Method
"Past Tense, Part I"	2371	2024	Julian Bashir, Jadzia Dax, and Benjamin Sisko	transporter malfunction
"Past Tense, Part II"	2371	1930	Kira Nerys and Miles O'Brien	simulated transporter malfunction
	1930	2371	Kira Nerys and Miles O'Brien	simulated transporter malfunction
	2371	1967	Kira Nerys and Miles O'Brien	simulated transporter malfunction
	1967	2371	Kira Nerys and Miles O'Brien	simulated transporter malfunction
	2371	2048	Kira Nerys and Miles O'Brien	simulated transporter malfunction
	2048	2371	Kira Nerys and Miles O'Brien	simulated transporter malfunction
	2371	2024	Kira Nerys and Miles O'Brien	simulated transporter malfunction
	2024	2371	Julian Bashir, Jadzia Dax, Kira Nerys, Miles O'Brien, and Benjamin Sisko	simulated transporter malfunction
"Visionary"	2371	2371 (five hours later)	Miles O'Brien	temporal displacement
	2371	2371 (five hours before)	Miles O'Brien	temporal displacement
	2371	2371 (five hours later)	Miles O'Brien	temporal displacement
	2371	2371 (five hours before)	Miles O'Brien	temporal displacement
	2371	2371 (five hours later)	Miles O'Brien	temporal displacement
	2371	2371 (five hours before)	Miles O'Brien	temporal displacement
	2371	2371 (five hours later)	Miles O'Brien	temporal displacement
	2371	2371 (five hours before)	Miles O'Brien	temporal displacement
	2371	2371 (five hours later)	Miles O'Brien	temporal displacement
	2371	2371 (five hours before)	Miles O'Brien	temporal displacement
	2371	2371 (a short time later)	Miles O'Brien	temporal displacement
	2371	2371 (a short time before)	Miles O'Brien	temporal displacement
"The Visitor"	2372	2372 (some time later)	Benjamin Sisko	temporal displacement
	2372	2372 (few months later)	Benjamin Sisko	temporal displacement
	2372	2389	Benjamin Sisko	temporal displacement
	2389	2422	Benjamin Sisko	temporal displacement
	2422	2450	Benjamin Sisko	temporal displacement
	2450	2372	Benjamin Sisko	temporal displacement
"Little Green Men"	2372	1947	Quark's Treasure with crew (Nog, Odo, Quark, and Rom)	time warp
	1947	2372	Quark's Treasure with crew (Nog, Odo, Quark, and Rom)	time warp
"Accession"	22nd century	2372	Akorem Laan (aboard his lightship)	Prophet ability
	2372	22nd century	Akorem Laan (aboard his lightship)	Prophet ability
"Trials and Tribble-ations"	2373	2268	USS Defiant with crew and Arne Darvin	Orb of Time
	2268	2373	USS Defiant with crew and Arne Darvin	Orb of Time
"Children of Time"	2373	22nd century	USS Defiant with crew	energy barrier
"Wrongs Darker Than Death or Night"	2374	2346	Kira Nerys	Orb of Time
	2346	2374	Kira Nerys	Orb of Time
"Time's Orphan"	2374	21st century	Molly O'Brien	time portal
	21st century	2374	Molly O'Brien	time portal
	2374	21st century	Molly O'Brien	time portal
	21st century	2374	Molly O'Brien	time portal

[edit] Star Trek: Voyager

Episode	Departure	Destination	Time travelers	Method
"Parallax"	2371	2371 a short time before	Kathryn Janeway and B'Elanna Torres	event horizon of a quantum singularity
"Time and Again"	2371	2371 (about a day before)	Kathryn Janeway and Tom Paris	subspace fractures
"Eye of the Needle"	2351	2371	Telek R'Mor	Micro-wormhole
	2371	2351	Telek R'Mor	Micro-wormhole
"Death Wish"	2372	Big Bang	USS Voyager with crew and Quinn	Quinn's power
	2372	Big Bang	Q	Q's power
	Big Bang	2372	USS Voyager with crew, Q, and Quinn	Q's power
"Future's End"	29th century	2373	Timeship Aeon and Captain Braxton	The Aeon's temporal matrix creating a temporal rift
	2373	1996	USS Voyager and crew	destabilized temporal rift
	2373	1966	Timeship Aeon and Captain Braxton	destabilized temporal rift
"Future's End, Part II"	29th century	1996	Timeship Aeon and Captain Braxton	The Aeon's temporal matrix creating a temporal rift
	1996	2373	USS Voyager and crew, Timeship Aeon and Captain Braxton]]	The Aeon's temporal matrix creating a temporal rift
	2373	29th century	Timeship Aeon and Captain Braxton	The Aeon's temporal matrix creating a temporal rift
"Before and After"	2373	2378	Kes	temporal flux created by a bio-temporal chamber
	2378	2378 (weeks earlier)	Kes	temporal flux created by a bio-temporal chamber
	2378	unknown (years earlier)	Kes	temporal flux created by a bio-temporal chamber
	unknown	unknown (years earlier)	Kes	temporal flux created by a bio-temporal chamber
	unknown	2374	Kes	temporal flux created by a bio-temporal chamber
	2374	2373	Kes	temporal flux created by a bio-temporal chamber
	2373	2371	Kes	temporal flux created by a bio-temporal chamber
	2371	2369	Kes	temporal flux created by a bio-temporal chamber
	2369	unknown (months earlier)	Kes	temporal flux created by a bio-temporal chamber
	unknown	unknown (months earlier)	Kes	temporal flux created by a bio-temporal chamber
	unknown	2373	Kes	temporal flux created by a bio-temporal chamber
"Timeless"	2390	2375	phase calculations and a letter	temporal transmitter
"Relativity"	2375	29th century	Seven of Nine	temporal transporters
	29th century	2372	Seven of Nine	temporal transporters
	29th century	2372	Captain Braxton	temporal transporters
	2372	2371	Seven of Nine and Captain Braxton	temporal transporters
	2371	2375	Seven of Nine and Captain Braxton	temporal transporters
	2375	29th century	a different Seven of Nine, Captain Braxton and Kathryn Janeway	temporal transporters
	29th century	2372	Kathryn Janeway	temporal transporters
	2372	29th century	Kathryn Janeway and another Captain Braxton	temporal transporters
	29th century	2375	Kathryn Janeway and Seven of Nine	temporal transporters
"Fury"	2376	2371	Kes	energy surge in USS Voyager's warp core, created by Kes
"Shattered"	2377	late 2372	Chakotay	temporal rift
	late 2372	2371	Chakotay	temporal rift
	2371	early 2372	Chakotay	temporal rift
	early 2372	late 2372	Chakotay	temporal rift
	late 2372	2371	Chakotay	temporal rift
	2371	2375	Kathryn Janeway and Chakotay	temporal rift
	2375	2373	Kathryn Janeway and Chakotay	temporal rift
	2373	2394	Kathryn Janeway and Chakotay	temporal rift
	2394	2374	Kathryn Janeway and Chakotay	temporal rift
	2374	late 2372	Kathryn Janeway and Chakotay	temporal rift
	late 2372	2373	Kathryn Janeway and Chakotay	temporal rift
	2373	2375	Kathryn Janeway and Chakotay	temporal rift
	2375	2371	Kathryn Janeway and Chakotay	temporal rift
	2371	2377	Kathryn Janeway and Chakotay	temporal rift
	2377	early 2372	Kathryn Janeway, Chakotay and Tom Paris	temporal rift
	2371	early 2372	Harry Kim, B'Elanna Torres and Ayala	temporal rift
	2374	early 2372	Seven of Nine	temporal rift
	2394	early 2372	Adult Icheb and Adult Naomi Wildman	temporal rift
	early 2372	2377	Chakotay	temporal rift
"Endgame"	2404	2378	The SC-4 and Admiral Kathryn Janeway	chrono deflector

[edit] Star Trek: Enterprise

Episode	Departure	Destination	Time travelers	Method
"Cold Front"	31st century	2151	Daniels	time portal
"Shockwave"	2152	2152 (ten months in the past)	Jonathan Archer	time portal
	2152	31st century	Jonathan Archer and Daniels	time portal
"Shockwave, Part II"	31st century	2152	Jonathan Archer	temporal communications chamber
"Future Tense"	2152	2152 (few minutes in the past)	Charles Tucker III and Malcolm Reed	temporal radiation
	2152	2152 (few minutes in the past)	Charles Tucker III and Malcolm Reed	temporal radiation
	2152	2152 (few minutes in the past)	Jonathan Archer and Malcolm Reed	temporal radiation
	2152	2152 (few minutes in the past)	Jonathan Archer and Malcolm Reed	temporal radiation
"Carpenter Street"	2153	2004	Jonathan Archer and T'Pol	time portal
	2004	2153	Jonathan Archer, T'Pol, Damron, and a Xindi-Reptilian guard	time portal
	It was never revealed how the two Xindi-Reptilian had traveled back in time, however they possessed a temporal beacon which would have allowed them to transport the physical aspects of their experiment back to the 22nd century.
"Azati Prime"	2153	26th century	Jonathan Archer and Daniels	time portal
	26th century	2153	Jonathan Archer	time portal
"E²"	2154	2037	Enterprise and crew	subspace corridor
"Zero Hour"	2154	2161	Jonathan Archer and Daniels	time portal
	2161	2154	Jonathan Archer	time portal
	2154	1944	Enterprise, her crew, and Daniels	time portal
"Storm Front" and "Storm Front, Part II"	1944	2154	Enterprise and crew	time portal