| Tropes G-L
| Tropes M-R
| Tropes S-Z
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Stargate SG-1 provides examples of the following tropes:
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- Half-Human Hybrid:
- Three episodes features humans with Goa'uld DNA. The first is a harcesis, a child born of two Goa'uld hosts. The second is an experiment by Ex-NID operatives to gain access to the Goa'uld genetic memory. The third is a clone created by Anubis, designed to evolve until it's capable of ascension; he was a prototype of a new army Anubis was going to create to kill the Ancients.
- The Serrakin — a race capable of breeding with humans despite not being Human Aliens. They had liberated the humans of their system from the Goa'uld millennia ago and the two species now co-exist in a mixed society.
- Adria is a human with the knowledge of the Ori bred into her DNA. She is described as an Ori in human form, their way of getting one of their own into the Milky Way without technically violating the rules the Ancients have against directly interfering.
- Hand Blast: The Goa'uld hand device, useful for energy pulse attacks and brain scrambling.
- Happily Adopted: Dr. Fraiser took in Cassandra, a young girl whose planet had been wiped out by Nirrti in the first season, and raised her lovingly as a daughter. However, when Cassandra returns in the fifth season she is now a teenager and, like all teenagers, is butting heads with her mother over dating, family dinners and other aspects of maturation.
- Hard Light: Merlin shows an extreme fondness for hard light constructs, using them as the guardians and tests of his various workshops. SG-1 has had to face two knights and a dragon in order to prove themselves worthy of his knowledge.
- Hash House Lingo: Oma Desala in "Threads".
- Heel-Face Turn:
- Teal'c, right in the first episode.
- Aris Boch seems to have a change of heart, realizing that SG-1's fight against the Goa'uld is a worthy venture.
- Harry Maybourne went from enemy to convicted US traitor to useful asset to grudging ally and friend. Eventually SG-1 even relocates Maybourne offworld to protect him from punishment for his original crimes.
- Richard Woolsey, first an agent of Senator/Vice President Kinsey and the NID, then digs up information to incriminate Kinsey after getting a peek at his true nature. Notable for remaining a committed bureaucrat (though a relatively less obstructive one) after his change of allegiance.
- Heel Race Turn: The Jaffa are the prime example, although due to the Kirk-like influence the team tends to have on certain worlds, there are certainly plenty of minor examples.
- Heel Realization:
- In "Bane", Dr. Timothy Harlow realizes mid-sentence that Colonel Maybourne is not just willing to take unscrupulous shortcuts, but is actually planning to let Teal'c be transformed, and that by calling him in for assistance he has doomed Teal'c to a painful death.
- In "Inauguration", Mr. Woolsey begins to realize that his superiors might not be as honorable as he believed when his conversation with Vice President Kinsey seems to end with the implication that Kinsey is going to assassinate the president if he does not get his way.
- In "Holiday", when Daniel makes Machello realise that by stealing his body, he's become just as bad as the Goa'uld he's spent his entire life fighting.
You're a Goa'uld
- Heroic Resolve: Mitchell was badly beaten by Merlin's holographic knight in "Avalon", but was able to gain a new reserve of strength when he thought back to how he refused to give up after he was injured when his F-302 was shot down over Antarctica. Since the knight is more of a test than an actual enemy, he defeats it and gains access to the riches and technology of Merlin.
- Heroic Sacrifice:
- During "In the Line of Duty", the Tok'ra infesting Sam decides to let itself die so that Sam wouldn't have to die with it.
- Subverted at the climax of "Lost City". The Prometheus and her fighters are out of ammunition and her shields are failing, so Hammond orders the ship onto a collision course with Anubis' flagship, saying "We go, they go." The Ancient outpost's drones get there first and Hammond breaks off.
- Gerak knew that turning against the Ori would mean his immediate death, but still chose to help cure the Prior plague that was ravaging the Earth.
- In "Lockdown", Colonel Vaselov forces Anubis to take his (dying) body through the Stargate, saving O'Neill in the process.
- Hero of Another Story:
- Colonel Makepeace, formerly the Trope Namer.
- Colonel Reynolds after Makepeace is revealed to be The Mole.
- Cameron Mitchell before joining the main cast, where flashback's reveal he was part of Hammond's defence force at the Battle of Antartica and spent the next year in traction, undergoing physical therapy, due to injuries received when his F-302 crashed.
- Felger to SG-1, much to Col. O'Neill's chagrin.
- Lieutenant Colonel Cameron Mitchell starts season nine almost obsessed with working with SG-1. When he learns that he is actually going to be in command of the unit since all its prior members have been reassigned, he gets the band back together because he specifically wants to work with those three people.
- Hide Your Pregnancy:
- Amanda Tapping was pregnant throughout the end of Season Eight, with her stomach hidden with the traditional practices of obstructing objects and dark, black clothing. She was on maternity leave when filming began for Season 9, leading to Carter being temporarily assigned to Area 51.
- Lexa Doig became pregnant with her and husband Michael Shanks' second child during filming for Season 10, resulting in her character of Dr. Carolyn Lam having a greatly reduced presence and all but disappearing from the show.
- Hijacked by Ganon: In season 8, Ba'al takes control of Anubis's remaining forces after the destruction of Anubis's fleet during the invasion of Earth, and uses his superior Kull Warriors to successfully wage war on all the other Goa'uld combined. Anubis reappears on Earth, but gets stuck on a frozen planet in a host body. At the end of the first part of "Reckoning", Ba'al reveals to O'Neill that Anubis is back in command of the largest Goa'uld faction, and that he was serving him for a while now.
- Hippie Bus: In episode "1969" the SG 1 team accidentally travels back to the year 1969. They have to find the Stargate and end up hitchhiking with a hippie couple (on their way to a concert in Woodstock) driving a hippie painted school bus.
- History Repeats:
- "Spirits" revolves around a plan by the US Government to surreptitiously mine trinium from a planet inhabited by descendants of the North American Salish. When they learn of this, SG-1 is very upset over the repetition of the early history of the United States, and explicitly points out that we were supposed to have learned from our mistakes.
- "Enemy Mine" has a similar plot, with the Unas in stead of the Native Americans on a planet sporting a naquadah mine. Daniel's diplomatic skills manage to save the day, quite luckily — because otherwise, the history repeat would have been of Little Big Horn.
- Holodeck Malfunction: The episode "Avatar".
- Hologram Projection Imperfection: Asgard holograms look incredibly realistic most of the time, but occasionally wobble or fritz just enough to let us know it's a hologram.
- Honor Before Reason: The Ascended Ancients have as their primary philosophy a policy of non-interference amongst the lower planes of existence. They believe in this so strongly that they will not interfere when the Ori, their hated enemies who are planning their destruction, manipulate the lower planes in order to increase their own power, nor even when the inhabitants of the lower planes gain a weapon to kill Ascended beings. As Morgan Le Fay explains, if they interfere then they will be no better than the Ori and most of them would rather die than interfere.
- Hostage Situation: In "Bad Guys", SG-1 is mistaken for a group of rebels on an alien planet and wind up taking a museum hostage. They realize that if they just let all the hostages go the military that surrounded the museum will storm in and kill them all, so they decide to hold on to the hostages until they can get the Stargate working and gate off the planet. Unfortunately, the people in charge of the besieging forces seem to have no clue how to run a hostage negotiation, Daniel seems to have no clue how to play a hostage-taking terrorist, and there's a security guard who thinks he's John McClane, so Hilarity Ensues.
- Hostile Terraforming: "Scorched Earth" features an alien terraforming ship that is replacing the ecology of an Earthlike planet with a sulfur-based biosphere. Only trouble is, the SGC has just relocated some Human Aliens onto the planet who need its thicker-than-usual ozone layer. The trouble is resolved when the Daniel discovers that the ship knows where the Human Aliens' original homeworld is.
- Hot Scientist: Sam Carter
- How Dare You Die on Me!:
- When O'Neill is fading away at the end of "Lost City", Carter says that he cannot die now, they just won.
- Also in "Holiday" with Sam and Daniel:
Sam: Come on, Daniel. They've found the guy, they're bringing him in. You have to wake up. (she moves over to hold his hand) Daniel. You can't die on me now.
Daniel: (weakly) It's nice to know you don't just like me for my looks.
- Human Aliens:
- Transplanted Humans for the most part, except for the Ancients, who came first and arranged for the Tau'ri to look like them after they left.
- The Nox are woodland creatures that appear human with leaves and twigs in their hair. The reason why they look almost human is never explained.
- The Jaffa are a genetic offshoot of humanity created by the Goa'uld. They are biologically human in most respects, except they have an abdominal pouch which is used to incubate larval Goa'ld; the Goa'uld larva in turn grants the Jaffa immunity from disease and an increased lifespan, but cannot be removed without condemning the Jaffa, as they lack an immune system of their own.
- Humans Are Special: Humans (specifically, the Tau'ri) are not shown to be particularly smarter, stronger, faster or more "imaginative" than other species, but the Asgard point out that they have great potential.
- Humans by Any Other Name:
- "Tau'ri", meaning "those from the first world", refers to humans from Earth to distinguish them from all the other humans of the galaxy.
- The correct way to refer to people from Earth is humourously pondered in "Cure";
Earthans? Jonas: Earthlings
... sort of? [...] Well, we're not originally
from there. Teal'c:
But we have dedicated ourselves to the cause of the Tau'ri. (beat
- "This form" is (rarely) used to refer to the general human species, to distinguish them from alien species. When the issue of the evolution of the Ancients and the subsequent identical evolution of humanity is raised, the term "this form" is used to refer to both Ancients and humans, since the technical issue of species classification is somewhat tricky.
- Human Subspecies: The Jaffa were genetically engineered from mainline humans to serve as incubators for Goa'uld larvae.
- Humorless Aliens:
- O'Neill is distrustful of the Aschen for precisely this reason.
- Also, Teal'c tends to miss the point of O'Neill's jokes. Funnily enough, the trope is also inverted in one episode; Teal'c, with prompting, tells a Jaffa joke that obviously amuses him, but falls flat on its face with the rest of SG-1.
- Hurricane of Puns:
- Hypocritical Humor:
- In "Cor-ai" Hammond says to Jack: "The US military is not in the habit of interfering with the affairs of other peoples." Jack just sort of looks at him and then at Carter and says, "Since when?"
- In "Disclosure" the Chinese representative says that "The government of China does not believe in keeping secrets from its people." The look Russian representative Col. Chekhov gives him sells it.
- I Always Wanted to Say That: Mitchell uses the term "Earth minutes" in "Beachhead", then explains to Daniel that he always wanted to say that.
- I Can See My House from Here: Although in this case it is not to emphasize how high they are, but how relatively low they are getting.
- I Can't Believe I'm Saying This: One of the funniest parts of this series is watching the Very Serious Military Personnel describing or giving orders in absurd situations.
Hammond: What am I supposed to say? (pulls out microphone) A glowing energy being is headed for Level 28. Lower your weapons and do not attempt to intercept it.
Hammond: Okay, people. Let me remind you. This mission is recon only. Do not engage the enemy. I'm allowing the use of this ship because of the obvious tactical advantage it provides you. Under no circumstances is it to be used to travel through time. (beat) Never in my life did I imagine ever giving that order.
- I Come in Peace:
Jack O'Neill: We came in peace. We hope to leave in one... piece.
- Identity Amnesia: The entirety of the planet Vyus suffered this about a year prior to "Past and Present" due to a Mad Scientist from a previous episode.
- I Did What I Had to Do: After Teal'c kills Sha're he is sad, but he points out that it was a choice between her life or Daniel's, and if he was in the situation again he would make the same decision.
- I Die Free: Trope Codifier. Rebel Jaffa are frequently heard saying this when threatened by one of the Goa'uld or their followers, or in any other case where they're about to make an act of suicidal defiance.
- I Don't Like the Sound of That Place: P3X-666. Notable as the planet where Dr. Fraiser was killed.
- If I Had a Nickel: Jack says it in "It's Good to Be King" about hearing, "Surrender your weapons, or die where you stand."
- If You Die I Call Your Stuff: Played for heartwarming. In "The Enemy Within", when they're prepping Kawalsky for surgery to try and remove the Goa'uld larva in his head, Jack asks him, "If you don't make it ... can I have your stereo?" Jack is quite obviously being deliberately silly to try and cheer Kawalsky up.
- If You Kill Him, You Will Be Just Like Him:
- In "Cor-ai", Hanno is prepared to kill Teal'c as soon as he sees him, but one of the other villagers convinces him not to go through with it and take Teal'c prisoner for cor-ai (trial). He explains that if Hanno kills him in vengeance, then they will be no better than the Jaffa.
- Subverted in "Bloodlines". After stealing an immature Goa'uld symbiote for the scientists to work on (it ends up replacing Teal'c's symbiote that he gave to his son), Daniel and Carter start to walk away. Daniel stops and takes aim at the tank of symbiotes since he's still raw about Apophis' kidnapping Sha're. Carter says this to Daniel, who seems to be convinced. They start away again, then Daniel suddenly turns around and machine-guns the tank anyway.
- I Gave My Word: In "Spirits", T'akaya agrees to hear out Daniel and Jack if they show her where Xe'ls is. When Xe'ls awakes he orders T'akaya to destroy the SGC, but she refuses until she has at least heard them out; Xe'ls points out that they have already learned of plans by the SGC to deceive them and that their word is worthless, but T'akaya still refuses to act, pointing out that her word would be worthless, too, if she broke her own promise.
- I Have Nothing to Say to That: O'Neill being led into kicking Jaffa butt.
- "I Know You're in There Somewhere" Fight: Often when talking to a loved one who has been taken as a host. A recurring question in early episodes was if there is any part of the host's mind/soul that survives. There is, and the Goa'uld just suppresses it. At least in the case of a young symbiote with a strong-willed host, it is even possible for the Goa'uld to momentarilly lose control.
- I'll Take Two Beers Too: When the team is under the influence of appetite-increasing phlebotinum.
- I Made Copies: When General Hammond gives Mr. Woolsey a computer disk with evidence to incriminate Vice-President Kinsey in a conspiracy of blackmail and murder to gain control of the Stargate, he points out that it is not the only copy before Woolsey even asks.
- I Minored in Tropology: When Mitchell has to Sword Fight an armored knight, he reassures the rest of SG-1 that he studied fencing in college. When he gets his ass kicked by the knight he explains that he failed fencing. Luckily, the knight was more of a test than an enemy and he was able to defeat it after he gained a second wind.
- Immortality Inducer: The sarcophagi, which can extend the human lifespan to over 1,000 years provided the person has regular access to its healing properties.
- I'm a Humanitarian: Of a sort; Goa'uld System Lords (and possibly others) have a taste for live symbiotes, and consume them ritually. It's implied that this has become so prominent recently that they're actually experiencing zero population growth. This was written in after someone did the math on Jaffa and figured out that there should be far more adult Goa'uld out there than the series had shown.
- I'm Mr. Future Pop Culture Reference: In "1969", while messing with the 1960s interrogator, O'Neill claims that he's Captain James T. Kirk. He then later switches to Luke Skywalker, probably after realizing that Star Trek already existed in 1969.
- I'm Not a Doctor, but I Play One on TV: Parodied in "Fallen":
Khordib: He [Teal'c] is Jaffa.
O'Neill: No. But he plays one on TV.
- Impaled Palm: O'Neill inflicts this on Heru'ur in "Secrets".
- Impaled with Extreme Prejudice: RepliCarter's preferred method of execution.
- Imperial Stormtrooper Marksmanship Academy: The Jaffa, although simultaneously justified and lampshaded in later episodes when Jack explains that the staff weapons are designed to intimidate, while human weapons are designed to kill. Essentially, its really hard to "aim" by pointing a six-foot staff at things. (See Kinetic Weapons Are Just Better below.) This doesn't excuse the few occasions where a Jaffa uses a Zat with similar results, though.
- Implacable Man: Special note goes to the Kull Warriors, especially the first time SG-1 tries to catch one.
- Impossibly Mundane Explanation: In "Window of Opportunity" Jack has prior knowledge of a briefing Carter is giving and claims that he is remembering things from the future. Carter suggests, "Maybe he read my report?" Daniel gives her a skeptical look and repeats, "Maybe he read your report?" as if it was the most ludicrous suggestion. Everyone else (O'Neill included) seems to agree.
- Impostor Exposing Test: In "Foothold", Maybourne cuts himself in front of Carter to prove he's human after an alien impostor is shown to have purple blood.
- I'm Standing Right Here:
- Dr. Felger is unsure if O'Neill knows he is there when he calls him a "brown-nosing little weasel". His tone makes it clear that he does not know which answer he would prefer: that O'Neill is talking about him behind his back, or that O'Neill is directly insulting him to his face.
- Vala continuously refers to the SGC's attempts to understand the Goa'uld bracelet bond as pointless, to which Dr. Lee, who is running the tests, points out that he is actually touching her face at the time.
- Incoming Ham: "Urgo", featuring Dom De Luise. Just watch the background characters trying desperately to keep a straight face.
- Inconvenient Summons:
- The Asgard love getting a hold of O'Neill this way. Frequently in mid-sentence. The first time, Jack was in the middle of giving a speech when he was teleported; the second time he was in the middle of inviting Carter to go fishing with him.
- The Ori arc made a running gag of this, with one of Earth's ships beaming Daniel Jackson on board from a planet's surface, usually right in the middle of him trying to explain to some villagers that there was no magic, he was not a god, etc.
Dr. Jackson: You are making a mistake. There is no curse. The black knight is a security feature created by Merlin through the use of science and advanced technology. There is no magic— (the Odyssey beams up SG-1)
Dr. Jackson: Once and for all: There was no curse. This is a device. There is no magic— (the Korolev beams him up)
Dr. Jackson: Boy, my timing's off today...
- Incredibly Lame Fun: When Jonas Quinn arrives on Earth, he becomes fascinated by the Weather Channel and watches it for hours, to which Carter responds that here are at least five hundred other channels.
- Infinite Supplies: Averted. The inability of the rebel Jaffa to even feed themselves is a recurring problem, as is their lack of weapons and supplies to wage their war. The Hak'tyl, a group of female Jaffa from the domain of Moloch, seek out an alliance with the SGC and offer their services as soldiers, scouts and spies in return for food and support.
- In Harm's Way: Carter is a real adrenaline junkie, and volunteers to take part in a dangerous alien competitive spaceship race in "Space Race". She's also seen tuning up a motorcycle in her spare time, so one can assume she rides it for fun (or regularly).
- Inkblot Test: When Vala is being examined for suitability to formally join the SGC, the reviewing doctor has her look at blots, but stops when she tries to game the system by saying that she sees abstract concepts, like "courage", in the blots.
- Inn Between the Worlds: The "Astral Diner" of the episode "Threads". The place is a midway point between the mortal dimension and the higher realms where the Ascended live. Played with in that it's actually an example of A Form You Are Comfortable With, as it was modelled after Daniel Jackson's memories.
- Inscrutable Aliens: In "Grace", the Prometheus encounters an alien warship that refuses to respond to hails and opens fire on them. It pursues them into a nebula and abducts all the crew save Sam before they're both trapped by the nebula. Sam manages to trade a way to get out of the nebula for the crew, but nothing resembling them is ever encountered again.
- Insectoid Aliens: The Re'tu, which are invisible to the human eye but can be sensed by a Goa'uld symbiote.
- In-Series Nickname: In the 200th episode, Jack's calling the Stargate "old orifice"!
- Insignificant Little Blue Planet: It turns out Earth played an integral role in the history of the universe, but for the present day and the past few millennia it has been little more than a backwater planet forgotten by the more advanced races.
- Insistent Terminology: Robert Kinsey never seems to get the titles of aliens corect.
- In the season six episode "Disclosure" he refers to Thor as "Commander", only to be corrected (with an upraised finger) to Supreme Commander.
- In the season seven episode "Lost City" he refers to Bra'tac as "Mister Bra'tac", only for O'Neill to point out that it is Master Bra'tac.
- In Spite of a Nail: We see several Alternate Universes, some created by Time Travel and others reached in other ways. In almost every one, Earth and modern America are indistinguishable from the universe of the Stargate Verse from the point of view of the public, despite the deviation point occuring decades or even thousands of years ago.
- Instant Awesome, Just Add Dragons: One of Merlin's tests.
- Instant Sedation: Averted more often than it is played straight.
- In "In the Line of Duty", when Sam/Jolinar gets tranqued twice, the first case with "enough to knock out an elephant," it takes a minute before she is disabled.
- "Spirits" is the one episode where it is played straight; SG-1 is incapacitated by small darts towards the beginning of the episode and collapse almost immediately after being shot.
- In "Redemption, Part 1", Captain Hagman (the 9th temporary replacement for Daniel Jackson) gets hit in the leg by a tranq dart while SG-1 is Chased by Angry Natives. He has the time to cross the Stargate before falling down, though.
- Osiris is twice shot by a Goa'uld-specific sedative, and in both cases it takes several minutes before it takes effect. In "The Curse" s/he even managed to make good his/her escape before succumbing to the drug.
- In "Memento Mori", Vala is injected with a sedative directly into her carotid artery, and she ''still' does not lose conciousness right away. She becomes unsteady on her feet and unable to talk, and is rushed into a vehicle by her kidnappers.
- Interdimensional Travel Device: The Quantum Mirror, which makes a few appearances in early episodes before being destroyed offscreen. In one episode, Daniel accidentally uses it to travel to another universe; in a later episode, alternate-universe versions of Carter and Kowalski come back through it, looking for refuge from the Go'a'uld invasion fleet that just arrived on Earth in their universe.
- Intergenerational Friendship:
- Teal'c seems to bond with children very readily (not in a creepy way).
- In "Bane", Ally Martin discovers and helps hide the poisoned Teal'c after he escapes from NID custody. Once he is healed, he returns and gifts her a new super soaker.
- In "Learning Curve", Teal'c gives Tomin knowledge of the Goa'uld to help defend his society, and becomes almost violent when he is told that Tomin cannot return and suspects that he has been mistreated.
- Also appears with Daniel. In "Birthright", he befriends Nesa, a young Jaffa girl of the Hak'tyl who needs a symbiote. Their friendship goes a long way in finalizing the alliance between the SGC and the Hak'tyl.
- Interservice Rivalry: Between the SG-3 Marines (Jarheads) and the SG-1 Air Force (Flyboys) after the former's introduction in "The Broca Divide". It is brief and does not appear in subsequent episodes.
- In the Back: Colonel Simmons shoots O'Neill in the back in the climax of "Desperate Measures".
- In the Hood: The standard disguise for SG teams when they want to stay incognito on low-tech planets.
- Invisibility: In the episode 200, the team reveals that at some point Jack O'Neill was turned invisible. He used it to, among other things, spy on Carter in the shower. Apparently he didn't want to give it up.
- Invisibility Cloak: Various species have devices, mostly working like the natural ability of the Re'tu, by putting the wearer somewhat out of phase with reality. Thus the Transphase Eradication Rod (anti-Re'tu weapon) reveals them.
- Some Goa'uld use them (but not all, as they don't share technology), namely Nirrti, Athor, and an Ashrak assassin (in "Allegiance").
- The Asgard have them too, notably one found on a protected planet in "Shade of Grey".
- The Sodan warriors have their own variant, issued from Ancient technology, which they put to good use. This model have the problem of emitting a radiation that is harmful for humans on the long term (although Jaffa can endure it thanks to their symbiotes). It is however a necessarily protection measure against some interdimensional parasites otherwise attracted by the users.
- Invisible Jerkass: Mocked, as was everything else, in the infamous episode "200". In a flashback (not seen in the previous episodes), O'Neill becomes invisible due to an alien device. His subsequent pranks include leaving the room so that Carter is left talking to an empty chair, falling asleep and snoring in a room where Daniel is having a meeting, driving up to the base entrance and placing his dog behind the wheel to confuse the soldiers, and spying on Carter when she takes a shower.
- Invisible Monsters: The series has featured the Re'tu, big spider aliens which are invisible because they are "180 degrees out of phase from normal space-time".
- Invisible President: The President of the United States during the show's first seven seasons, stretching from 1997-2004, was unidentified either by name, image or party.
- I Resemble That Remark: Carter's response to being told that she seems tense is to, very tensely, reply that she is not tense.
- I Say What I Say: The cloned O'Neill in "Fragile Balance".
- Is This Thing On?: In season 8 episode "New Order, Part 2", O'Neill does this while merged with the computer of Thor's spaceship, and talking through its comms.
Jack's voice: Hello. Testing, testing. One, two. One, two, one, two, testing. Helloooo? Is this thing on?
- I Take Offense to That Last One: In "Citizen Joe":
You're Brigadier General Jack O'Neill. Head of Stargate Command at Cheyenne Mountain. You used to command SG-1, which is now led by Lt. Colonel Samantha Carter. You once visited a planet called Argos, and the nanites in your blood caused you to age artificially. You've had the entire repository of the Ancients' knowledge downloaded into your brain. Twice! You have a thing for The Simpsons
, fishing, Mary Steenburgen, the color peridot, and you're a terrible ping pong player.
[...] Jack O'Neill:
Well, first of all, Joe, I'm not
a terrible ping pong player.
- It's All About Me: In "2001", Senator Kinsey genuinely believes that O'Neill is willing to sabotage Earth's alliance with the Aschen, which could potentially save the planet from the Goa'uld, all in order to prevent Kinsey from becoming President of the United States.
- It's All My Fault: Averted. Daniel's grandfather tries to comfort him over the loss of his parents years ago, telling him it wasn't his fault. Daniel's reply? "Of course it wasn't my fault!"
- It's Personal:
- Daniel Jackson joined SG-1 because his wife, Sha're, and brother-in-law, Skaara, had been taken as Goa'uld hosts. Throughout the series numerous other loved ones are killed or implanted by the Goa'uld.
- Teal'c worked so hard to become First Prime of Apophis because Cronos, enemy of Apophis, had killed his father and he wanted to be in a position to exact vengeance. He later swore a "Jaffa revenge thing" against Tanith, the Goa'uld that lied to, betrayed and killed Shau'nac, his childhood love interest.
- It's What I Do:
- When O'Neill gets upset at Felger's statement that there are "only" a dozen Jaffa for SG-1 to fight their way through, Felger points out that this is what SG-1 does. The whole team pauses for a few seconds before apparently agreeing and moving on.
- In "Zero Hour", when O'Neill mocks Ba'al as he always does, his new aide asks if it is necessary to actually provoke him. O'Neill simply turns to him and says, "It's what I do."
- Kangaroo Court: "Cor-ai" features Teal'c being put put on trial for killing a man while he was still serving Apophis. The twist was that his prosecutor was the son of the man he killed, and was also the judge and jury. Jack greatly complains about this, only for Daniel to say that this has historical precedent. Which just pisses Jack off.
- Kicked Upstairs: After General Landry settled in at the SGC he realized that most of the meetings he had to go to were basically pointless and orders Sergeant Walter "Chevron Guy" Harriman to go in his stead. When Walter protests, Landry threatens to promote him if that is what it takes.
- Killed Off for Real: Major Kawalsky, Sha're, Martouf, Apophis (eventually), Narim (and the rest of the Tollan), Janet Frasier, Jacob Carter, Colonel Pendergast and the Prometheus, Col. Chekov and the Korolev, and the entire Asgard race. Abydos is destroyed and everyone on it is killed, but they are Ascended to a Higher Plane of Existence.
- Killed to Uphold the Masquerade: Maybe. A reporter with information on the Stargate Program is killed in a car accident mere seconds after O'Neill fails to convince him not to run the story, but O'Neill claims (and is assured by General Hammond) that the Air Force had nothing to do with it. (The NID, on the other hand...) The truth is never revealed to the audience one way or another.
- Kinetic Weapons Are Just Better: Played straight; most characters use SMGs or handguns for the whole series and even Teal'c trades in his staff weapon for a P90 (or two) in the last three seasons.
- King Arthur: Seasons nine and ten delve deeply into Arthurian legend, with the revelation that Merlin was an Ascended Ancient who retook human form in order to build a weapon to fight the Ori. Though Arthur himself never appears, SG-1 does visit Camelot and follows in his footsteps to look for the sangraal, the Holy Grail, which they believe to be the weapon that Merlin built.
- The Kirk: More often than not, Samantha or Daniel.
- Kissing Under the Influence: In the first season episode "The Broca Divide", before the heavy Ship Tease began between O'Neill and Carter, Carter attempted to force herself on O'Neill when she began to regress into a primitive being. It was not a funny scene.
- Klingon Promotion:
- The Jaffa rite of "joma secu", where a Jaffa commander is challenged to a duel to the death for his position. Played straight in "The Warrior" (Teal'c versus K'tano/Imhotep; Teal'c wins) and subverted in "Birthright" (Ishta versus Neith; Ishta wins but spares Neith when she learns the tretonin didn't work on Mala and she died).
- In "Bounty", SG-1 points out that Netan's position in the Lucian Alliance is extremely tenuous and that if somebody managed to kill him they could probably take over the entire organization.
- Knighting: In "Theads", Teal'c and Bra'tac are dubbed "blood-kin to all Jaffa" in recognition of their work in the overthrow of the Goa'uld, tapped once on each shoulder by a staff weapon.
- Knights Templar: Plenty, but particularly the rogue NID, which became the Trust.
- Kubrick Stare: Anubis' clone Khalek in the ninth season episode Prototype gives a very impressive one of these.
- Lame Pun Reaction:
- The System Lord Yu's name is frequently punned by the humans due to its similarity to the English word "you". When Dr. Elizabeth Weir, who was only learning of Yu for the first time, began to make her own pun, Daniel explained to her that every possible variation had been done to death, and it was no longer funny.
- When the team first figures out that Ba'al has been cloning himself in "Insiders", they end up having to capture the whole lot and bring them back to the SGC. At one point Cam Mitchell drops this one:
Mitchell: (to CMSgt. Harriman) Chief, we got a full count. Two strikes, three Ba'als.
Harriman: (chuckles) Oh. That's clever, sir.
Carter: (eye roll) He was thinking that one up the whole way home.
Mitchell: Yeah, the whole three seconds.
- Lampshade Hanging: Frequently, often pairing up with Genre Savvy (see above), and forms the basis for much of the series' humour, particularly when Colonel Mitchell (Ben Browder) joins the cast. The episode "200" lampshades tons of tropes from sci-fi and movies in general to the show itself, including the act of Lampshading!
- Large Ham: The Goa'uld have a habit of this for various reasons.
- Rodney McKay lampshades it in "Redemption, Part 2" after Anubis tells the SGC they're all going to die at the end of Part 1:
McKay: Hello, Anubis, this is your agent. You're playing it way over the top; could you please tone it down?
- O'Neill also mocks the Goa'uld hamminess repeatedly. Again, from "Redemption, Part 2":
- President Henry Hayes has shades of this in his conversation with Anubis In "Lost City", complete with Lampshade Hanging.
Henry Hayes: Never going to happen. (Anubis' hologram vanishes, Hayes turns to his onlookers) Too much?
- Laser-Guided Amnesia: "Fire and Water"; "Beneath the Surface"; "Fallen"; "Revisions"; "Collateral Damage"; "Memento Mori"
- Law of Inverse Fertility: In the alternate timeline of "2010", Carter and her husband Ambassador Joseph Faxon are trying very hard to have a child, but so far are unsuccessful thanks to the Aschen.
- Layman's Terms: Frequent. Especially whenever Daniel or Sam try to explain something to O'Neill. Whenever O'Neill uses a technical term himself it is usually cause for a double take from the other characters.
- Leaning on the Fourth Wall:
- Learnt English from Watching Television: Orlin learned to speak English, and how to dress, by watching TV in Carter's house overnight.
- Leave Him to Me: At the conclusion of "Talion", Teal'c has been shot at least twice by a staff weapon and is brought before Arkad, who tosses him a wooden staff and orders his men to leave them alone. He then fights Teal'c one-on-one, explaining how he has always admired the fierce warrior Teal'c, and that he wants to kill him himself. Teal'c, though viciously beaten, kills Arkad.
- Left It In: In the "documentary" made about Wormhole X-Treme! at the end of "200", Martin Lloyd stops his interview to take a phone call, during which he is quite profane, and then goes back to talking about how much of a family the crew is after checking to make sure that they had not recorded his previous comments.
- Lensman Arms Race: The SGC goes from a platoon-sized group of special forces going through a star gate they barely know how to operate, to a small fleet of interstellar star ships, in about eight years.
- Let's Split Up, Gang: Daniel lampshades it when the Russian Major he is trapped in a Goa'uld ziggurat with leaves to explore the hallways and tells Daniel to wait there; commenting that both of them will be alone in a dark and dangerous maze.
- Let Us Never Speak of This Again: The season one episode "Hathor" was heavily disliked by both fans and the producers, and in following episodes the characters mention that they have agreed to never talk about it again. True to that, the specific events of the episode are never revisited, with characters only talking about the "Hathor incident" without saying what actually happened, and the details of how Goa'uld queens produce offspring being retconned to asexual. Even Hathor's reappearance in "Out of Mind" and "Into the Fire" doesn't go into many details, only that the team, particularly Daniel and Jack, have developed an intense loathing of her.
- Lie Detector:
- The Toka'ra have a lie detector which works via mind reading. Instead of actually reading if a character is being truthful or lying, it reads their conscious and unconscious thoughts and compares them, to see if their recollections match what they are saying. It is used to detect a zatarc, a person that the Goa'uld have brainwashed into an assassin and then covered up their brainwashing with false memories.
- Vala is given a polygraph when she is being reviewed for suitability to formally join the SGC. Its use is in line with most flawed depictions of the polygraph, indicating that Vala is lying when she tries to compliment the doctor and noting each successive lie when she tries to cover herself.
- Like an Old Married Couple:
- Most of the interaction between Vala and Daniel.
- In "Past and Present", an entire planet has suffered chemically-induced amnesia. Two of the inhabitants, Orner and Mayris, constantly argue Like an Old Married Couple. Turns out they actually were married before they lost their memories.
- Like a Son to Me: In "Talion", Bra'tac explains to Teal'c that he is like a son to him, and that he is so proud of him.
- Like Reality Unless Noted: Unless the show outright says so, what's happening outside of the Stargate program is the year that particular season was produced.
- Literal Metaphor: How did General Landry manage to have Big Eater Goa'uld Nerus leave the SGC with a subspace tracker? It was a piece of cake....
- Living Forever Is Awesome: Harlan, a human whose brain was uploaded into a robot body and refers to this process as a "gift". He is shocked that SG-1 does not share his opinion, though he does admit that others of his kind also had trouble accepting their state of existence.
- Locking MacGyver in the Store Cupboard: In "Ripple Effect", when the Alternate SG-1 lock them in the brig of the Prometheus, Sam is able to break out almost immediately by rerouting a power cable running through the wall. When asked how she knows it will work, her response:
Sam: Because I helped build it.
- Longevity Treatment: Several examples, all with severe side effects:
- The sarcophagus can extend the life of a human without a Goa'uld for 700 years or so, hosts for millennia. Unfortunately it makes the user megalomaniacal.
- In the episode 2010 the Aschen give Earth a life-extension drug that serves to explain why SG-1 hadn't aged at all in ten years. It also turned out to cause sterility, as part of an Aschen plot to depopulate Earth so they could turn it into an agricultural colony, necessitating Time Travel to prevent the Earth-Aschen alliance.
- Long Game:
- The Aschen as a whole are a very patient race, and conquer other planets over the course of centuries. Their standard operating procedure seems to be forming an alliance with the current government and granting them superior technology in order to gain their trust, but slowly reducing their population by inducing wide-spread infertility through their medical treatments. After several centuries the planets inhabitants will be too few to prevent the Aschen from assuming complete control.
- This is also how the Tok'ra planned their fighting of the Goa'uld, until SG-1 started wiping out system lords.
- Long Runners: Stargate SG-1 ran for ten seasons and a total of 214 episodes, with two additional DVD movies, and was followed by two spinoffs. Smallville rivals it as an North American series for equivalent seasons and episodes, while only Doctor Who tops it worldwide.
- Look Both Ways: The female bounty hunter after Daniel Jackson in "Bounty" is killed by a bus as she stalks across a street. She probably should have researched the planet and learned our traffic patterns.
- Loophole Abuse:
- Daniel gets away with helping the Tollan escape because, as a civilian, he cannot be court martialled, and he could not be tried in civilian court without revealing the Stargate Program.
- In "Pretense", one of the Nox helps the Tollan defend themselves by hiding one of their planetary defense turrets so it is not destroyed by the Goa'uld. When Carter calls her out on doing this despite her people's dedicated pacifism, she remarks that she only hid the weapon — she did not fire it. Carter remarks that that is a pretty fine line she did not cross.
- In "Lockdown", O'Neill is complaining about his recent promotion to general, particularly about the pressure he is under to appoint a new member to SG-1. When he explains that he wants to keep it like it is, as a three-person team, Carter points out that there is no rule that says SG-teams have to have four members, and O'Neill latches on to that rationale as a way to avoid making the decision.
- Subverted in "Fair Game". After hearing the System Lords demand for the Earth's Stargate, Jack clearly seems to be thinking that they can swindle them, only for Yu to then clarify that they meant both of them!
- Lost Superweapon: When Earth is under the threat of a massive alien invasion and if the usual tricks and weapons do not work, there is the ancient outpost in Antarctica, whose chair can control and launch thousands of powerful drones, only requiring a humongous amount of power. Surprise!
- Lost Technology: Lampshaded by Colonel O'Neill in a Season 6 episode where the Human Aliens have no artifacts from the Goa'uld.
O'Neill: That's weird. The Goa'uld are damn litter bugs, they leave all kinds of crap lying around.
- Lotus-Eater Machine:
- In "New Order", the Human-form Replicator Fifth, who has an obsession with Sam, kidnaps her and sets up an idyllic fantasy existence for Carter, where she's happily married to (her boyfriend) Pete. Pete is actually Fifth, using his power over Sam's mind to disguise himself as Pete.
- In "Reckoning", RepliCarter captures Daniel Jackson and sends him into a similar false reality where he's talking to Oma Desala (actually the Replicator in disguise) to interrogate him for information about the Ancients.
- Inverted in "The Gamekeeper", where instead of being an idyllic paradise, the machine-created realm forces Jack and Daniel to repeatedly relive the worst moments of their past.
- Love at First Sight: Orlin falls in love with Carter the very instant he meets her, but he tries to justify it by explaining that Ascended beings can join their essences to another person and understand them on a fundamental level right away. Carter is skeptical and, even though she warms up to him eventually, never does fall in love with him in return.
- Low Culture, High Tech:
- The slave races to the Goa'uld and Ori.
- Earth, after the SGC begins truly piling up the alien tech.
- Lowered Monster Difficulty:
- Jaffa armor could initially withstand automatic weapons fire for a decent amount of time before a bullet got through. As the series wears on, Jaffa armor resilience decreases, eventually reaching the point where they may as well be wearing nothing.
- A straight example is the Goa'uld. In the first season, they are nearly Immune to Bullets, requiring A LOT of firepower to take down permanently, and have super-strength. On multiple occasions, a single Goa'uld is capable of giving the SGC a run for its money. By the 2nd season, they are as vulnerable as any human if you can get them away from that shield generator of theirs.
- Luke, I Am Your Father: Wonderfully played with and torn to shreds during the 200th episode. For a moment, you almost believe...!