Stargate SG-1

New Ground - S3-E19

Question: Why does the guy who was interrogating SG 1 think they know how the dead man they found was killed? Why does he think they're lying? Why doesn't SG 1 tell their interrogator that they weren't there when the man was killed?

Children of the Gods (2) - S1-E2

Question: How did Teal'c work out that O'Neil could save his people?

Beneath the Surface - S4-E10

Question: Why couldn't Calder and his people do the shoveling themselves? Were they lazy?

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Question: What was report 30185 and why wasn't Mitchell permitted to read it?


Chosen answer: Report 30185 is a joke report referring to the time when SG-1 go back in time to 1969 in the episode '1969'. The joke is that Colonel O'Neil knocked up a hippie and made sure Mitchel was taken care of throughout his life, like how he got into the 302 program while his buddy, a better pilot, did not.

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Question: How long was Vala Mal Doran a host to Qetesh?


Chosen answer: It's never actually mentioned on the show, though in the 'Continuum' universe, she says she's been with Ba'al for 50 years.

MoonFaery Premium member

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Question: Why did Richard Dean Anderson leave what was a very popular show?

Chosen answer: While the series was undeniably successful, filming it is a long process, taking many months of often long days. Anderson, after several years of doing this, wished to spend more time with his young daughter, who he felt he was neglecting, and requested that his role in the series be scaled back. Ultimately, he decided to leave the main cast altogether and only make occasional guest appearances.

Tailkinker Premium member

1969 - S2-E21

Question: When SG-1 are going to P2X-555 (I think) they get sent back in time. Why do they come out in Cheyenne Mountain instead of the boxed stargate in Washington DC?

Chosen answer: Carter explained it in the episode. For a brief moment, they were present in both time periods, which allowed for the Stargate to be there for them to step out of. Agreed, it does make more sense for the Stargate's unstable vortex to punch through its packing crate, but then you wouldn't end up with the hilarious "I'm Luke Skywalker" scene.

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Question: Why is the star-gate kept a secret?

Answer: There were a number of concerns. Firstly, that the knowledge of a hostile alien race would lead to a mass panic amongst the population. Additionally, other nations would want to be involved and would be angry at the US military gaining advanced alien technology. This is seen as a valid concern in later seasons, when the IOA was set up.

Window of Opportunity - S4-E6

Question: What is the light that Dr. Frazier uses to look into Jack's eye called?

Answer: It's a pen torch or pen light. Used to test pupil dilation response.

Children of the Gods (1) - S1-E1

Question: I thought that you could only travel one way through the gate, but in the pilot, the bad guys come through, kill the military guys, then go back though without dialing a new wormhole.

Answer: You can only travel that way. The wormhole closed after Apophis forces came through (as can be seen during various scenes). Probably they also brought a mobile version of a DHD got get back (this indeed can't be seen).

Christoph Galuschka Premium member

They have been various times where the stargate has been dialled without use of the DHD of the dialing computer.


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Question: When SG-1 travels to alien planets they always experience earth like gravity. Shouldn't they be experiencing different gravity on different planets?

Answer: Basically, if a planet has the same mass and size, it will have the same gravity. Since the Stargates were placed on habitable planets, it's likely they placed them on planets with the same gravity. Even if the planet's varied in mass or size, a planet's gravity in relations to Earth can be calculated as m/r^2where m is the planet's mass compared to Earth's mass and r2 is the planet's radius (compared to Earth's) squared. So if a planet had 50% the mass and 70% radius of Earth, gravity would be 0.5/0.7^2 which would be 1.02 times the gravity of Earth (or roughly the same).

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Question: Why doesn't the military just give the Stargate to the army or the marines corps instead of the Air Force? Ground combat just isn't the Air Force's way. They don't understand ground combat nearly as well as the army or marines. If the Air Force has more scientists and engineers, why not just transfer some of them to the army and marines corps?

Chosen answer: To start, it was the original film that had the Stargate under control of the Air Force. In the film, the Stargate was housed at an Air Force installation. And Jack O'Neill (in the show it's O'Neil) was a Special Operations Colonel, who just happened to be from the Air Force. At the time the Air Force had control of the Stargate, its purpose was unknown, so it seems just to be the writers picking a military branch. Later, especially in the show, once the Stargate's function was known, it makes sense the Air Force would continue to be in charge since they are the branch that handles space. In fact, their mission statement is "fly, fight, and win in air, space, and cyberspace". In the film, the Stargate could have been determined to be an alien relic, leading to the thought it came from space so the Air Force should be in charge. It should be noted, during the show, the producers maintained a very good working relationship with the Air Force (2 Chiefs of Staff appeared in the show). Since they had this relationship, the writers and producers may have just kept the Air Force in charge.


Pretense - S3-E15

Question: Either it was explained in this episode and I missed it or maybe it was explained in a later episode and I haven't seen it yet, but I have always been curious. If the Asgard were able to remove the Goa'uld from Skaara, then why couldn't they do the same with Teal'c?


Chosen answer: Skaara has a Goa'uld in his head controlling him. Removing it returns him to a normal human being. Teal'c has a Goa'uld in a sac in his stomach. The Goa'uld in Teal'c acts as his immune system and helps him to have a very ling life span. Removing it would kill him.

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Question: After the SGC find out the Russians have the Alpha gate and they're using the original DHD and then the SGC get the Alpha stargate back, do they hook up the DHD? If not, why?

Chosen answer: No, in the episode "48 Hours", the SGC uses the Russian gate to retrieve their offworld teams and borrows the Russian's DHD to rescue Teal'c who is trapped in the gate's memory buffer. The procedure works, but destroys the DHD in the process.

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Question: Why didn't the Asgard participate or help in the ongoing war with the Ori?


Chosen answer: They have very little resources left after the war against the Replicators.

Answer: They did. There was an Asgard ship present during the battle at the second super gate (the battle in which the Korolev was destroyed). The Asgard ship's fate in unknown, but it is implied in dialog between Landry and Woolsey (which specifically mentions the Asgard being there) that it was either heavily damaged or destroyed like all the other allied ships present. Aside from that, yes, the Asgard did play very little role in the Ori campaign.

The Serpent's Lair (3) - S2-E1

Question: OK, so we're all familiar with the whole 'gate priority system, which was ignored by the producers so they could give Earth a second Stargate for some epic foreshadowing of the episodes Nemesis and Redemption Pt. 2. So here goes. Why, when you take that gate priority into consideration, was the SGC able to gate to the Alpha site to start evacuating the "best and brightest" when the 'gate Apophis brought to Earth, presumably to block any outgoing wormholes, had a DHD hooked up? I get that it was necessary to give Daniel and the scum-sucking, overdressed, boom-box-voice, snake-in-the-head, seventh-on our-increasingly-long-list-of-dead-bad-guys (as of Threshold) a way off the Ha'tak before it exploded, but its functionality should have said "NO!" to the SGC's attempts to gate out.

Chosen answer: The gate with priority is the one that will be activated when gating TO Earth. You can still gate out with any available stargate. The plan to prevent escape involves Apophis dialing from his Ha'tak so that a second wormhole can't be opened from SGC.

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Question: In the movie the Stargate shook and in an episode tells us that they put dampeners on the gate. Off world stargates don't have dampeners so how come they don't shake? Is this because they're controlled by DHDs?

Chosen answer: The off world stargates have a DHD, the Earth stargate had to adapt a computer to dial the gate. It is explained in the first season that this is the reason the gate shook as the dialing computer could not compensate for the stellar drift that the DHD could. Thus they had to add vibration dampers to compensate.

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Question: It's been shown that if a Prior were to be captured or betray the Ori then they would burst into flame. When Daniel was turned into a Prior, why didn't he burst into flame the instant he betrayed Adria and the Ori?


Chosen answer: Either because Adria believed he was truly devoted to Origin when she made him a Prior or the same mechanism that made the transformation wear off prevented it.

Grumpy Scot

Chosen answer: He left the show because Michael Shanks decided to come back to the show the next season.

Kevin Howard

Children of the Gods (1) - S1-E1

Question: At the beginning of the episode, Apophis and his serpent guards invade the SGC. My question is: How could they dial out when there wasn't a DHD?


Chosen answer: Apparently a ribbon device can activate the gate to the address it was dialed from. Like a sort of "*69" on the phone.

Grumpy Scot

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Question: I noticed that in several episodes (especially season 6) Daniel is wearing what appears to be the same sweater. Is this just a coincidence or is there some special significance to the sweater?

Chosen answer: As far as I'm aware it's just a sweater, nothing special about it.


Answer: Agreed with the previous answer, but the sweater is just to set Daniel apart from everyone else while he is ascended.

Small Victories (2) - S4-E1

Question: The sound of the Russian submarine's engine at the beginning seems to subliminally mimic the steady tension-inducing beat of the replicators' theme music, and is occasionally overlaid with a variation of the two main higher notes that are usually played by horns but are played by strings in this instance. I wonder whether this use of the engine sound in place of the normal "replicator beat" was intentional - or perhaps just my imagination?

Chosen answer: As there was no actual engine noise, (it's all added in post production), this was likely done deliberately.

Grumpy Scot

1969 - S2-E21

Question: Where is the observatory that Jack & Teal'c use to watch for the solar flare supposed to be? Where was it actually filmed?

Chosen answer: Gordon Southam Observatory in Vanier Park, Vancouver, British Columbia.

1969 - S2-E21

Question: In this episode who are the hippies, and why are they so important? Their names were Michael & Jennifer, and when the team are going back to the future the hippies wanted to go also, but Jack started to tell them something and then stopped. I just want to know if they are someone from future episodes or something.


Chosen answer: Michael and Jennifer have never showed up past this episode. SG-1 led them to believe (with the help of a Zat gun) that they are aliens, they never told them they were actually from the future. They were simply a couple of nice people willing to help.

Grumpy Scot

Fail Safe - S5-E17

Question: When they are repairing the cargo ship on Revanna the scientists talk about what happened in the episode Tangent. They talk about the recall device. I don't really understand what it is that O'Neill is accusing the scientists of. Could someone explain it to me please?

Chosen answer: In Tangent, a captured Goa'uld Death Glider was retrofitted into the X-301. Unbeknownst to the SGC, it contained a recall device that would automatically make it return to Apophis home base. Teal'c and O'Neill were testing it when the device activated sending them into deep space where they nearly died. O'Neill wants to make sure the cargo ship doesn't have something similar.

Grumpy Scot

Point of View - S3-E6

Question: I have a question about the correction about the Asgard not beaming Teal'c because they knew about him helping SG-1. This happened in the alternate reality. Would the alternate Asgard know about Teal'c turning against Apophis?

Chosen answer: The Alternate Samantha Carter has travelled to enlist the Asgard's help. It stands to reason that she would have explained the situation to them fully before they arrive.


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Question: I've recently noticed while watching my collection of Stargate SG-1 tapes that one of the team, with the possible exception of Teal'c, seems to say an obligatory "What?" in each episode in such a way that it seems like a ritual signature of the series or an inside game being played by the cast. Has anyone else noticed this, and is it done in each and every episode?

Chosen answer: I can't say I've noticed it every episode, but I agree it happens a lot, most noticably with Daniel Jackson and O'Neill. With the amount of exposition Carter and Jackson have to deliver each episode, after saying "What?" it tends to lead to a long technical or archiological explanation, I wouldn't be suprised if it had now become an in-joke. Much of season 8 seemed to be in-jokes and digs at the show in general.

Soylent Purple

Tangent - S4-E12

Question: While Jack and Tel'c are stranded in space, Maj Carter talks to them via the long range radio, when she finishes she gives the time and then Zulu. What does that mean?

Chosen answer: Zulu time is another name for Greenwich Mean Time, often used as a worldwide time standard.


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Question: Does anyone know what happened to Cassandra after Dr. Frasier died?

scaryterri Premium member

Chosen answer: Cassandra is not mentioned in any of the episodes after the one where Dr Frasier dies. The show does not tell us what happened to her.


1969 - S2-E21

Question: I know in this episode SG-1 encounters the younger Hammond. Are Michael and Jenny supposed to be younger versions of people SG-1 knows in their present? Or were they just a random couple that helped them out?

Chosen answer: They were just a friendly couple that helped them out.

Grumpy Scot

The Enemy Within - S1-E3

Question: I'm just curious, it is stated in "Cold Lazarus" that Oniell's son's name is Charlie, did he name his son after his friend Major Charles Kawalsky?

Chosen answer: No. In the first or second episode of the series Kawalsky says he worked with Jack all those years and never even knew he had a son.

scaryterri Premium member

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Question: Why does the USAF pronounce the word 'lieutenant' as 'loo-tenant' whilst the RAF and RAAF pronounce it 'lef-tenant'? I realise there are different spellings between countries (aluminium and aluminum, for example) but the word lieutenant is spelled identically in the US and UK, yet still pronounced differently. What's the specific reason for the different pronunciation of this word?

Chosen answer: No-one seems 100% sure. The closest we can get seems to be that the spelling and pronunciation evolved differently - the current spelling comes from the French - lieu tenant = place holder, ie. someone who acts in place of an absent superior. The pronunciation appears to have derived from English ears hearing the "w" sound in the French pronunciation as something closer to a V or F (certainly possible if older French pronunciation was anything like, say, modern German, where words such as "wunderbar" are pronounced "vunderbar"). This site ( quotes some examples from the 12th century onwards of English spelling, with the first syllable varying between "luff", "lieve", and "Leif". The French spelling seems to have eventually become the standard, but the mis-pronunciation remained, possibly as it was so widely used already. When America declared independence they made an effort to shed many effects of English influence (such as gradually switching to driving on the right). Noah Webster (of dictionary fame) encouraged the independent development of American English, and came up with the American Spelling Book, which pushed spellings and pronunciations in the US rapidly towards their current forms, including the more literal pronunciation of the word "lieutenant".

Jon Sandys Premium member

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Question: In the movie it's well established that symbols are different from one gate to another. How, then, do the SG teams know the code to Earth from any gate in the network?

Chosen answer: The Gate addresses are made up of the constellations in the night sky above the planet the person is trying to Gate to with the exception of the first & last. The first is the planet of origin (eg. Earth - a pyramid with one moon above it) & the last is the planet you are trying to Gate to (eg. Abydos - a pyramid with three moons above it). As long as you remember the constellations & know the two planet symbols you should be able to Gate home again.

Answer: This is one of the differences from the movie to the series. In the movie, each gate had completely different sets of symbols corresponding to the constellations in that gate's planets sky. In the series, the gates were more standardized, with the same constellation symbols regardless of where the gate way in the galaxy. The only difference between gates being their own unique point of origin symbol. Therefore, whenever anyone dials Earth from any other planet, they would enter the exact same sequence of six symbols on the DHD followed by that gates unique origin symbol. The point of origin on any given gate/DHD would therefore be the one symbol the dialling person had never seen elsewhere and would be the only symbol they would consciously have to think about and find before dialling.

Solitudes - S1-E18

Question: Since the DHD on the Antarctica gate would still have to have the symbol for Earth as the point of origin, why couldn't they just take that DHD and attach it to the gate in SGC it would make dialing out faster and they could beat a Goa'uld attack by dialing out faster than the Goa'uld could dial in.

Chosen answer: In "48 Hours", it was revealed that the Antarctic gate stopped working shortly after it was discovered. As one of the oldest DHDs in the galaxy, it simply ran out of power. Also note that the Antarctic gate and the Giza gate have different symbols for their points of origin, so their DHDs might not have been interchangable, anyway.

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Question: I know that DHD's only work on the planet that they are on, because of the point of origin, but the gate on Antarctica has a DHD and the point of origin is still Earth, why couldn't the SGC hook up the Antarctica DHD to their gate?

Chosen answer: It was explained in a season 7 ep, the Antartic DHD ran out of juice after only a few test runs when it was recovered, so its useless.


Answer: The point of origin relates more to the paired Gate and DHD than the planet they are on. Take any gate and it's DHD to another planet and it work just fine as soon as the DHD updated its position with the rest of the network. That point of origin would then work for that planet, which is why Earth could have two gates with two origin symbols.

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Question: What do the alpha-numeric codes represent? I thought that each chevron had a number or letter assigned to it, but only numbers appear in the last three digits and some numbers repeat themselves, I highly doubt that constellations repeat themselves in the night sky of a planet.

Chosen answer: There are over 50 symbols on the stargate. Each one has an alphanumeric designation. The symbols are numbered, not the chevrons.

Grumpy Scot

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Question: In some episodes you'll see a shot of the outside of Cheyenne Mountain Complex and there will be a truck to the right. Why does it say 'SGT MACK'? Or, who is this guy?

Chosen answer: It's not unusual in the military to paint the name of the NCO assigned to and responsible for that particular vehicle on that vehicle. Sgt Mack is no-one in the series I've ever seen.

Grumpy Scot

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Question: How many Stargates were made by the set crew? Also, how many DHDs?

Chosen answer: There are two stargates. One that is set up permanently in the cheyanne mountain set, and one the is moved to locations. There are probably two or three DHD's.

Out of Mind (1) - S2-E22

Question: This goes for 'Into The Fire' as well. Where did Hathor get her Jaffa? In 'Hathor' she breathed on the men. That doesn't work on Jaffa. Where / how did she get her Ship?

Chosen answer: Once a Goa'uld defeats another, the winner claims all the loser's worlds, ships, Jaffa, etc. Hathor either had a ship hidden or killed another system lord (through treachery most likely) and took over his resources.

Grumpy Scot

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Question: In the movie and in early episodes when they travelled through the stargate they arrived on the other side nearly frozen. This no longer happens. I was just wondering if any explanation was ever given as to why this no longer happens, or did they just drop that plot point?

Chosen answer: It's a side effect from stellar drift. Once they compensated for it, it goes away.

Grumpy Scot

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Question: In the "Stargate" movie, all the chevrons locked, but in the series, it's the one at the top. Surely they should make the Stargate the same?

Chosen answer: In the series, all the chevrons lock as well. They just show the last one as it would be tedious to show all 7 everytime the gate fires up.

Grumpy Scot

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Question: Was the original actor who portrayed O'Neill in the Stargate movie ever considered for the role for the TV show? Or was Richard Dean Anderson picked from the get-go? And if so, why?


Chosen answer: Anderson is one of the producers of the show, so I guess right from the start he wanted the role of Jack. (I believe he was instrumental in making the show happen) Nor do I see Kurt Russell wanting to do a weekly TV show.

Kenneth Brown Premium member

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Question: What does NID stand for?

Chosen answer: It stands for either National Intelligence Department, or National Intelligence Division, although it's never expressly stated on the show.

Answer: Fun fact: The producers were originally going to call the NID the "NRD" for "Not a Real Department", but changed it so they could make it mean something sensible if they ever needed to.

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Question: How come SG-1 or any other "SG" team don't bring a DHD from a different planet back to the SGC and then they could hook it up to dial faster?

Chosen answer: DHD's only work on the planet the gate is on. They aren't interchangeable between gates.

Grumpy Scot

Answer: As the previous answer, plus there'd be the problem of as soon as they disconnected the DHD from its Stargate, the Stargate would shut down as the DHD provides the power to open a wormhole (although under special circumstances such as a black hole power can be drawn from the dialled gate instead).

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Question: What happened to Dr. Jackson? I know that he "ascended," but what does that mean/do? Do the actor plan to permanently return to the show, or is he no longer a part of the regular ensemble?

Chosen answer: Daniel "ascended" meaning he became a being of pure energy on a higher plane of existence. This happened because Michael Shanks was unhappy with his parts and wanted to leave the show. After one season with Jonas Quinn (Corin Nemec) as his replacement, Mr. Shanks returned for (presumably) the rest of the series. In the series this was shown as Daniel violating some major rules of the "ascended" and getting "kicked out" and made human again as punishment.

Grumpy Scot

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Question: I find it interesting than in most the worlds that they go to, the people there seem to speak perfect American English. In all the Star Trek shows and movies, we know that they have universal translators that help them understand most cultures. Did SG-1 get hold of a univ. translator on another world or from the Asgard?

Chosen answer: I think it's just the writers taking a licence to help the plots along. Everybody spoke English long before the Asgard were introduced, and a 'universal translator' was never mentioned (I would have written one into the pilot, but that's just me).

J I Cohen

Answer: This was handwaves by the writers/producers early on as they felt it wouldn't be very interesting to watch Daniel spend half of every episode working out the native language of the planet of the week. At a stretch, we could suppose that the Ancients, the builders of the Stargates and the ones that seeded human life throughout the galaxy, who also spoke English by the time of their return to Earth from Atlantis, spread this form of language as well along with the ATA (Ancient Technology Activation) gene.

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Coombs: I knew I should have updated my will before agreeing to off-world assignments.
Felger: You are not going to die, Coombs.
Coombs: Oh, come on, Felger. We might as well be wearing red shirts.
Felger: I don't get that.



Carter and Cadet Haley enter the Stargate and we see them through the "puddle." When they come out on the other side, their positions are reversed.



Dom DeLuise and his three sons Peter DeLuise (who has written, directed and produced a number of episodes), Michael DeLuise and David DeLuise have all appeared on the show at least once. Peter DeLuise has appeared many times.