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Deanna Troi


Prime Timeline

Year Event
 [1] Kestra Troi is born. [1]
  People :  Lwaxana Troi, Kestra Troi
 [2] Deanna is born on Betazed. [2]
  People :  Lwaxana Troi
  Species :  Betazoids
 [1] Kestra dies in a swimming accident. Lwaxana suppresses the memory of Kestra for almost thirty five years. [1]
  People :  Lwaxana Troi, Kestra Troi
 [1] Ian Andrew Troi, dies. [1]
  People :  Lwaxana Troi
 [3] Deanna Troi enters Starfleet Academy, specialising in psychology. [3]
 [4] Deanna graduates Starfleet Academy. [4]
 [5] Riker and Deanna become romantically involved. [5]
  People :  William T. Riker
 [6] Deanna and Riker break up. [6]
  People :  William T. Riker
Picture from 2363  [7] The USS Enterprise, NCC 1701-D, is launched. [7]
  People :  Jean-Luc Picard, William T. Riker, Natasha Yar, Beverly Crusher, Data, Geordi La Forge, Wesley Crusher
Picture from 2364  [5] The USS Enteprise-D is commissioned. Joining the crew for the launch are Counsellor Deanna Troi, Tactical Officer Natasha Yar, Operations Officer Lieutenant Commander Data, Lieutenant Worf, Chief O'Brien, and Captain Jean Luc Picard. [5]
  People :  Jean-Luc Picard, Data, Natasha Yar, Miles Edward O'Brien, Worf Rozhenko
 [8] The Enterprise-D is visiting the planet Haven when a Tarellians plague ship arrives. The ship eventually agrees to leave the planet, taking with them Wyatt Miller, a doctor and finace to Deanna Troi, who was aboard the ship. [8]
  Species : 
 [9] The Enterprise-D encounters an energy being which, seeking to learn about corporeal life, impregnates Deanna Troi. She gives birth to a son, Ian Andrew, just hours later. Ian sacrifices his life and returns to non-corporeal existence when it is discovered that his presence is causing plasma plagues being transported by the ship to become active. [9]
 [10] The Enterprise transports the famous diplomatic negotiator, Riva, to Solais V, so that he can negotiate and end to the war raging there. The mission suffers a setback when Riva's chorus - a group who assist him with communication - are killed. With the help of counsellor Troi, Riva determines to continue the negotiations anyway. [10]
  People :  Riva
  Species :  Solari
 [11] The Enterprise-D transports Lwaxana Troi to the Pacifica conference. Her telepathic abilities are able to reveal that the Antedean delegates intend to attack the conference with a bomb. [11]
  People :  Lwaxana Troi
  Species :  Antedean
Picture from 2366  [12] The Federation hosts negotiations for control of the Barzan wormhole, the only stable wormhole known at this time. Although the Federation is defeated by Devinoni Ral in the negotiations, the wormhole subsequently proves to be stable only at this end, making it effectively useless. In the process of investigating the wormhole, two Ferengi officers are stranded in the Delta Quadrant when the exit shifts. Counsellor Troi enjoys a brief romantic relationship with Ral, which she breaks off when it becomes clear that he is engaging in dishonest tactics to win the negotiations. [12]
  People :  Devinoni Ral, Koll, Doctor Arridor
  Species :  Ferengi,
Picture from 2366  [13] The Enterprise-D transports Tam Elbrun, a telepathic Betazoid and former patient of Deanna Troi. Elbrun's mission is to communicate with 'Tin Man', an alien creature which appears to be a living Starship. Elbrun is eventually able to forge a relationship with the creature, and the two depart together. [13]
  People :  Tam Elbrun
  Species :  Gomtuu
 [14] Lwaxana and Deanna Troi are kidnapped by DaiMon Tog, a Ferengi. They are subsequently rescued by Captain Picard, with assistance from Wesley Crusher. Crusher's participation causes him to miss his transport to Starfleet Academy, forcing him to remain on the Enterprise. Captain Picard grants Wesley a field promotion to full Ensign. [14]
  People :  Lwaxana Troi, Wesley Crusher
  Species :  Ferengi
Picture from 2367  [15] The Battle of Wolf 359 occurs. Thirty nine Federation Starships and eleven thousand personnel are lost in the battle. In the aftermath, the Enterprise manages to rescue Captain Picard and use his link to the Borg collective to destroy the ship. [15]
  People :  Jean-Luc Picard, William T. Riker, Beverly Crusher, Data, Geordi La Forge, Wesley Crusher, Benjamin Lafayette Sisko
  Species :  Borg, Humans
 [16] Deanna temporarily loses her empathic ability as the Enterprise-D becomes mired in a swarm of 2 Dimensional beings. When the ship breaks free, she regains her empathic sense. [16]
  Species : 
Picture from 2367  [17] The Enterpise-D becomes trapped in a Tyken's rift. Also trapped in the rift is a telepathic alien species who unknowingly block the Enterprise crew from being able to dream, gradually eroding their rationality. Counsellor Troi is able to make telepathic contact with the aliens and working together both ships are able to ecape the rift. [17]
 [18] Q recreates the legend of Robin Hood with the Enterprise-D senior officers in the outlaw roles, in order to force Captain Picard to admit that he is in love with Vash. [18]
  People :  Q, Jean-Luc Picard, William T. Riker, Beverly Crusher, Data, Geordi La Forge, Vash
  Species :  Q
Picture from 2367  [19] Geordi La Forge is kidnapped by Romulans whilst on the way to a conference. Brainwashed, he is returned to the Enterprise-D as part of a plot to stir conflict between the Federation and the Klingon Empire over the Klingon colony of Krios. The plot is foiled and Klingon Ambassador Kell's part in it revealed. In the aftermath, Counsellor Troi assists La Forge in recovering from the experience. [19]
  People :  Ambassador Kell, Geordi La Forge
  Species :  Klingons, Romulans
 [20] The Enterprise-D is badly damaged by a quantum filament, forcing Deanna Troi to assume temporary command. Miles and Keiko O'Brien's daughter, Molly O'Brien, is delivered in the ten-forward lounge by Worf. [20]
  People :  Worf Rozhenko, Miles Edward O'Brien, Keiko O'Brien, Molly O'Brien
Picture from 2368  [21] While transporting Ullian delegates to Kaldra IV, Enterprise-D crew members begin suffering mysterious telepathic assaults. One of the Ullians, Jev, proves to be responsible. [21]
  People :  Jev, Inad, Tarmin
  Species :  Ullian
 [22] The Enterprise-D tracks a stellar core fragment through the Moab system. In the process, a human colony is discovered on Moab IV. Planted in 2168, the colony is dedicated to using genetic engineering to produce the perfect society. The Enterprise-D is able to assist the colony in surviving the passage of the fragment, but in the process a large group of the colonists request transport away from their environment, wishing to rejoin the rest of the human race. Matters are complicated when Deanna Troi has a brief affair with the colony leader. [22]
  People :  Aaron Conor, Hannah Bates
  Species :  Humans
 [23] The Enterprise visits a moon of Mab-Bu VI. Several crewmembers - Deanna Troi, Data, Miles O'Brien - are possessed by the personalities of prisoners placed on the moon by the Ux-Mal race. The prisoners attempt to possess the rest of the crew, but are thwarted. [23]
  People :  Miles Edward O'Brien, Data
  Species :  Ux-Mal
 [24] The Enterprise-D rescues Ambassador Ves Alkar from an attack on the transport ship Dorian and undertakes to transport him to Seronia. The Ambassador uses a telepathic device to transmit his negative emotions into Counsellor Troi, harming her physically and mentally. The crew are able to sever the link, killing the Ambassador. [24]
  People :  Ambassador Ves Alkar
  Species :  Lumerian
Picture from 2369  [25] A holodeck malfunction briefly traps Lieutenant Worf and Commander Troi in a holodeck with Alexander. They are eventually able to escape. [25]
  People :  Worf Rozhenko, Alexander Rozhenko
Picture from 2369  [26] Deanna is abducted and surgically altered by Romulan dissidents in order to work undercover on a Romulan Warbird and assist with the defection of Vice Proconsul M'Ret. [26]
 [27] Deanna is promoted to Commander. [27]
 [28] On the Enterprise-D, Lieutenant Daniel Kwan commits suicide. Investigation proves that the suicide was the result of a telepathic influence left behind when Ensign Walter J. Pierce murdered his girlfriend Marla Finn and her lover aboard the ship during construction bfore committing suicide himself. [28]
  People :  Lieutenant Daniel L. Kwan, Ensign Walter J. Pierce
Picture from 2370  [29] Barclay becomes the first sufferer of Barclay's Protomorphosis Syndrome. A treatment developed by Beverly Crusher creates the disease, which causes most of the Enterprise-D crew to mutate to animal forms. [29]
  People :  Jean-Luc Picard, William T. Riker, Beverly Crusher, Data, Geordi La Forge
Picture from 2371  [30] Worf is promoted to Lieutenant Commander. Data installs the emotion chip he acquired from Lore. The Amargosa star system is destroyed by Dr. Tolian Soran. The Enterprise-D is destroyed whilst attempting to prevent Dr. Soran from similarly destroying the Veridian system. Captain Kirk is killed attempting to stop Soran. [30]
  People :  Jean-Luc Picard, William T. Riker, Beverly Crusher, Data, Geordi La Forge, James T. Kirk
  Species :  El-Aurians
Picture from 2372  [31] Captain Picard is assigned command of the Enterprise-E. He takes many of his Enterprise-D crew with him. [31]
  People :  Jean-Luc Picard, William T. Riker, Beverly Crusher, Data, Geordi La Forge
Picture from 2373  [32] The second Borg invasion of the Federation. The cube is defeated by a Federation fleet including the USS Defiant and the USS Enterprise-E. The Enterprise-E subsequently travels back in time to 2063 in order to prevent the Borg from creating an alternate timeline in which the Federation is never created. [33]
  People :  Jean-Luc Picard, William T. Riker, Beverly Crusher, Data, Geordi La Forge, Reginald Barclay, Worf Rozhenko
  Species :  Borg, Humans
 [34] Riker marries Commander Deanna Troi. He accepts the captaincy of the USS Titan, leaving the Enterprise-E. [34]
  People :  William T. Riker
 [34] The Enterprise-E travels to Romulus to meet Praetor Shinzon. Shinzon attempts to destroy the Enterprise-E as part of a plot to launch a war against the Federation. Data is killed [34]
  People :  Jean-Luc Picard, William T. Riker, Beverly Crusher, Data, Geordi La Forge, Worf Rozhenko, Reginald Barclay
 [35] The USS Titan penetrates the Gum Nebula region, discovering it to be the home of an entire ecosystem of spacegoing life forms. Included amongst them are the Crystalline Entities, Space Jellyfish, a Proplydian, Spinners, Starpeelers, and Sailseeds. In addition, the ship encounters the Pa'haquel, an avianoid species who lead an alliance aimed at combating the spacegoing life forms in order to defend populated planets against them. The Titan crew is able to broker an agreement between the Pa'haquel and the Space Jellyfish in which they will work co-operatively to reduce the level of violence involved in these activities. [35]
  People :  William T. Riker
  Species :  Space Jellyfish, Crystalline entity, Spinners, Proplydian
 [36] Thad Riker-Troi is born on a starship. [37]
  People :  Thaddeus "Thad" Troi-Riker, William T. Riker

Colour key

Canon source Backstage source Novel source DITL speculation

● - Shows the canon status and reference of the year for this event


# Series Season Source Comment
1 TNG 7 Dark Page
2 TNG 5 Conundrum
3 Speculative Assumes she joined the accadamy at age 18
4 Speculative assumes an 8 year medical degree
5 TNG 1 Encounter at Farpoint
6 TNG 6 Second Chances
7 TNG 7 All Good Things The episode makes it clear that the ship is launched very shortly before the Farpoint mission
8 TNG 1 Haven
9 TNG 2 The Child
10 TNG 2 Loud as a Whisper
11 TNG 2 Manhunt
12 TNG 3 The Price
13 TNG 3 Tin Man
14 TNG 3 Menage a Troi
15 TNG 4 The Best of Both Worlds, Part 2
16 TNG 4 The Loss
17 TNG 4 Night Terrors
18 TNG 4 Qpid
19 TNG 4 The Mind's Eye
20 TNG 5 Disaster
21 TNG 5 Violations
22 TNG 5 The Masterpiece Society
23 TNG 5 Power Play
24 TNG 6 Man of the People
25 TNG 6 A Fistful of Datas
26 TNG 6 Face of the Enemy
27 TNG 7 Thine Own Self
28 TNG 7 Eye of the Beholder
29 TNG 7 Genesis
30 Star Trek : Generations
31 Star Trek : First Contact Geordi said the ship had been in shakedown for almost a year
32 Star Trek : First Contact Placed according to Stardate. This conflicts with Cpatain Sisko's mention of the recent Borg attack in the episode In Purgatory's Shadow.
33 Star Trek : First Contact
34 Star Trek : Nemesis
35 Star Trek : Titan, Book 3 - Orions Hounds
36 STP 1 Nepenthe It was to be his 18th birthday in 2399.
37 STP 1 Nepenthe
Series : TNG Season 7 (Disc 2)
Episode : Dark Page
Series : TNG Season 5 (Disc 3)
Episode : Conundrum
Source : Speculative
Comment : Assumes she joined the accadamy at age 18
Source : Speculative
Comment : assumes an 8 year medical degree
Series : TNG Season 1 (Disc 1)
Episode : Encounter at Farpoint
Series : TNG Season 6 (Disc 5)
Episode : Second Chances
Series : TNG Season 7 (Disc 7)
Episode : All Good Things
Comment : The episode makes it clear that the ship is launched very shortly before the Farpoint mission
Series : TNG Season 1 (Disc 3)
Episode : Haven
Series : TNG Season 2 (Disc 1)
Episode : The Child
Series : TNG Season 2 (Disc 1)
Episode : Loud as a Whisper
Series : TNG Season 2 (Disc 4)
Episode : Manhunt
Series : TNG Season 3 (Disc 2)
Episode : The Price
Series : TNG Season 3 (Disc 5)
Episode : Tin Man
Series : TNG Season 3 (Disc 5)
Episode : Menage a Troi
Series : TNG Season 4 (Disc 1)
Episode : The Best of Both Worlds, Part 2
Series : TNG Season 4 (Disc 2)
Episode : The Loss
Series : TNG Season 4 (Disc 4)
Episode : Night Terrors
Series : TNG Season 4 (Disc 4)
Episode : Qpid
Series : TNG Season 4 (Disc 5)
Episode : The Mind's Eye
Series : TNG Season 5 (Disc 1)
Episode : Disaster
Series : TNG Season 5 (Disc 3)
Episode : Violations
Series : TNG Season 5 (Disc 3)
Episode : The Masterpiece Society
Series : TNG Season 5 (Disc 4)
Episode : Power Play
Series : TNG Season 6 (Disc 1)
Episode : Man of the People
Series : TNG Season 6 (Disc 2)
Episode : A Fistful of Datas
Series : TNG Season 6 (Disc 3)
Episode : Face of the Enemy
Series : TNG Season 7 (Disc 4)
Episode : Thine Own Self
Series : TNG Season 7 (Disc 5)
Episode : Eye of the Beholder
Series : TNG Season 7 (Disc 5)
Episode : Genesis
Film: Star Trek : Generations
Film: Star Trek : First Contact
Comment : Geordi said the ship had been in shakedown for almost a year
Film: Star Trek : First Contact
Comment : Placed according to Stardate. This conflicts with Cpatain Sisko's mention of the recent Borg attack in the episode In Purgatory's Shadow.
Film: Star Trek : First Contact
Film: Star Trek : Nemesis
Novel : Star Trek : Titan, Book 3 - Orions Hounds
Series : STP Season 1 (Disc 2)
Episode : Nepenthe
Comment : It was to be his 18th birthday in 2399.
Series : STP Season 1 (Disc 2)
Episode : Nepenthe

© Graham & Ian Kennedy Page views : 26,141 Last updated : 2 Apr 2014