Airdate | Episode Number | Episode Title | Synopsis | Image |
|---|
| | Children of the Gods, Part 1 | In the series pilot, colonel Jack O'Neill (Richard Dean Anderson) is recalled to duty to retrieve a scientist he left on the planet of Abydos one year before. |  |
| | Children of the Gods, Conclusion | O'Neill and his crew learn that Jackson (Michael Shanks) has discovered a map revealing the location of many more Stargates. |  |
| | The Enemy Within | New SG-2 commander Kowalsky (Jay Acovone) is overtaken by a parasite, which then forces the leader to try to reenter the Stargate. |  |
| | Emancipation | While negotiating for weapons, inhabitants of the planet Simarka are exposed to Carter (Amanda Tapping), who causes them to rethink the role of women in their society. |  |
| | The Broca Divide | Two Stargate teams enter a world plagued by a disease that causes humans to regress into cave people. |  |
| | The First Commandment | The team discovers missing SG-9 leader Jonas Hanson (William Russ), a former lover of Carter's who's now the godlike ruler of a primitive planet. |  |
| | Cold Lazarus | A blue energy crystal helps O'Neill confront his grief over the of his young son. |  |
| | The Nox | O'Neill and the team are sent to a planet in search of mysterious beings that have the power to disappear. |  |
| | Brief Candle | A deadly virus afflicting a planet's inhabitants may have been created by the Goa'ulds. |  |
| | Thor's Hammer | O'Neill and Teal'c (Christopher Judge) find themselves imprisoned on a planet ruled by an enemy of the Goa'uld. |  |
| | Torment of Tantalus | The team searches for a man who went through the Stargate in 1945 as part of a secret experiment. |  |
| | Bloodlines | Teal'c takes the SG-1 team back to the planet Chulak to save his son from Goa'uld implantation. |  |
| | Fire and Water | While the SG-1 team members believe he is dead, Jackson is held prisoner by an alien. |  |
| | Hathor | After an ancient Goa'uld is revived, the temptress begins seducing all of the Stargate men. |  |
| | Singularity | Carter is torn when the team learns that a young girl (Katie Stuart), the lone survivor of a planet devastated by disease, has been implanted with a bomb in a Goa'uld attempt to destroy the Stargate. |  |
| | Cor-Ai | Teal'c is placed on trial by the son of a man he killed while working for the Goa'uld. |  |
| | Enigma | The team searches for a home for survivors of a planet destroyed by a volcano. |  |
| | Solitudes | O'Neill and Carter are trapped in Antarctica after returning to Earth through a Stargate of unknown origin. |  |
| | Tin Man | O'Neill and his SG-1 team members are transformed into androids while on a mission. |  |
| | There but for the Grace of God | Jackson is pulled into an alternate reality — one in which Earth has been invaded by the Goa'uld. |  |
| | Politics | A powerful U.S. senator (Ronny Cox) vows to shut down the Stargate project, despite Jackson's passionate belief that the Goa'uld will soon invade Earth. |  |
| | Within the Serpent's Grasp | As the Government prepares to shut down the project, the SG-1 team takes what may be their final trip through the gate, finding themselves on a Goa'uld ship carrying Skaara (Alexis Cruz). |  |
| | The Serpent's Lair | O'Neill and the SG-1 team are captured while trying to stop a Goa'uld warship set to attack Earth. |  |
| | In the Line of Duty | A Goa'uld rebel takes control of Carter's body and forces O'Neill to protect the alien from an assassin. |  |
| | Prisoners | The team is imprisoned on a penal planet after inadvertently helping an escaped prisoner. |  |
| | The Gamekeeper | The team encounters a mysterious figure identified as the Keeper (Dwight Schultz), who traps them in a world where they relive pivotal moments in their lives. |  |
| | Need | Jackson falls in love with a beautiful princess (Heather Hanson), who nurses him back to health with the aid of Goa'uld technology. | |
| | Thor's Chariot | After destroying a planet's line of defense, O'Neill and the SG-1 team find themselves helping the inhabitants fight off a Goa'uld invasion. | |
| | Message in a Bottle | The team returns from a barren planet with an artifact that soon takes control of O'Neill and the command crew. | |
| | Family | Bra'tac (Tony Amendola) arrives through the gate with news that the Goa'uld leader, Apophis, survived the destruction of his ship and has kidnapped the son of Teal'c. | |
| | Secrets | Jackson and Teal'c return to Abydos, where Jackson learns that his wife is pregnant with the child of Apophis; and a reporter threatens to print a story about the Stargate program. | |
| | Bane | Teal'c undergoes a metamorphosis after being stung by a giant insect. | |
| | Tok'ra, Part 1 | A dream leads Carter and the team on a mission to form an alliance with the Tok'ra, an alien group rebelling against the Goa'uld. | |
| | Tok'Ra, Conclusion | Carter's father (Carmen Argenziano) agrees to become a host for a Tok'ra in order to form an alliance with the aliens, but a mutual enemy threatens the plan. | |
| | Spirits | O'Neill and the SG-1 team encounter mysterious spirits while trying to mine a planet. | |
| | Touchstone | O'Neill and the team stumble upon a secret government plot while trying to return a stolen weather device to a planet. | |
| | A Matter of Time | The lives of the team are endangered after a rescue effort goes awry, and O'Neill's former colleague (Marshall Teague) is sent to help them. | |
| | The Fifth Race | While on a mission to decode ancient inscriptions, O'Neill has his mind overtaken by a superior knowledge. | |
| | The Serpent's Song | Pursued by an ancient enemy, the former Goa'uld leader Apophis (Peter Williams) asks for sanctuary from his current adversary, O'Neill. | |
| | Holiday | When a dying alien switches bodies with Jackson, O'Neill and Teal'c risk their own bodies to save their friend. | |
| | One False Step | While visiting a planet, the team unwittingly unleashes a plague that threatens to destroy the civilization's gentle inhabitants. | |
| | Show and Tell | A boy (Jeff Gulka) arrives through the gate to warn Earth of an impending attack by an invisible race of aliens bent on destroying humanity. | |
| | 1969 | The SG-1 team travels back in time, finding themselves on Earth in 1969 and coming face-to-face with a young Hammond. | |
| | Out of Mind | O'Neill awakens in strange surroundings and is told that he has been frozen for nearly eighty years — and the rest of the SG-1 team is long dead. | |
| | Into the Fire | O'Neill, Jackson and Carter are held hostage by alien temptress Hathor (Suanne Braun), queen of the conquering Goa'ulds. | |
| | Seth | The SG-1 team searches for a Goa'uld lord who has been living on Earth for millenniums. | |
| | Fair Game | The intense rivalry between the Go'auld System leaders puts the future of Earth in jeopardy. | |
| | Legacy | The legacy of Machello comes back to haunt the Stargate team. | |
| | Learning Curve | Jack's efforts to bring some fun into the life of a young alien could get him a court martial. | |
| | Point of View | When an alternate version of Earth is invaded by the Goa'uld, the Stargate crew must appeal to the alternate versions of themselves for help. | |
| | Dead Man Switch | A ruthless bounty hunter takes members of the Stargate team into custody. | |
| | Demons | The Stargate team wanders into a medieval civilization, where they are mistaken for demons. | |
| | Rules of Engagement | The Stargate team visits a planet where soldiers are engaged in a civil war. | |
| | Forever in a Day | Daniel Jackson reunites with Sha're, but the bond has unfortunate consequences. | |
| | Past and Present | The Stargate team visits a planet where all of the inhabitants suffer from amnesia. | |
| | Jolinar's Memories | In order to save her father, Carter must tap into the memories of Jolinar. | |
| | The Devil You Know | Trapped in a prison built to simulate hell, the team makes a daring escape plan. | |
| | Foothold | The team returns from an assignment, only to find that fellow residents of the AGC seem to have changed drastically. | |
| | Pretense | A trial is held to determine who lives or dies — Skaara or Klorel. | |
| | Urgo | A strange creature invades the minds of the Stargate crew. | |
| | A Hundred Days | A freak accident leaves Jack stranded on a planet with no way to return. | |
| | Shades of Grey | O'Neill makes a diplomatic faux pas that threatens Earth's peaceful relations with her allies. | |
| | New Ground | The Stargate team becomes an unwitting pawn in an ideological war between two planets. | |
| | Maternal Instinct | The Stargate team tries to find the missing Harsesis child before the Apophis do. | |
| | Crystal Skull | The Stargate crew seeks the aid of Jackson's grandfather when a colleague disappears. | |
| | Nemesis | The Stargate crew battles destructive creatures no one can seem to control. | |
| | Small Victories | SG-1 takes on the replicators that have invaded Earth. | |
| | The Other Side | SG-1 answers a distress call from a civilization whose roots can be traced back to Earth. | |
| | Upgrades | The team is shown a device that turns them into superhumans. | |
| | Crossroads | Teal'c reunites with a former love who claims she's discovered the secret to defeating the Goa'uld. | |
| | Divide and Conquer | The crew believes they may have fallen victim to an untraceable method of Goa'uld mind control. | |
| | Window of Opportunity | After being exposed to an unusual alien machine, O'Neill and Teal'c begin to relive the same day over and over again. | |
| | Watergate | The Russians discover a Stargate and turn to the SG-1 team for help in dealing with it. | |
| | The First Ones | When scientist Daniel Jackson is captured by an Unas, he's forced to use his skills and wits to survive. | |
| | Scorched Earth | The crew gets caught between two warring civilizations who are trying to colonize a planet. | |
| | Beneath the Surface | The team members of SG-1 find themselves toiling on an alien power station, but have no recollection of their former lives. | |
| | Point of No Return | O'Neill encounters an unusual being who is surprisingly knowledgeable about the Stargate program. | |
| | Tangent | When the test flight of a recovered Goa'uld death ship malfunctions, O'Neill and Teal'c are sent hurtling through space. | |
| | The Curse | Daniel's mentor dies, which leads to a reunion with both a former friend and a former foe from their past. | |
| | Serpent's Venom | When it's discovered that two powerful system lords are planning an alliance, the team is sent to investigate. | |
| | Chain Reaction | Gen. Hammond announces his retirement, leaving the crew aghast. | |
| | 2010 | The year 2010 dawns and brings many significant changes to both Earth and to the SGC. | |
| | Absolute Power | After he's reunited with the Harsesis child, Daniel's behavior changes, making the crew concerned. | |
| | The Light | On a visit to a strange planet, the crew becomes mesmerized by a stunning mechanism that apparently has an ugly side. | |
| | Prodigy | Carter makes it her business to offer guidance to a promising cadet who is on the verge of ruining her future with SG-1. | |
| | The Entity | An alien virus infiltrates the SGC computer and gathers classified data about the crew and the ship. When the virus is presumed killed, it is learned that it has actually sought refuge in Carter's body. | |
| | Double Jeopardy | A former acquaintance seeks the crew's help. | |
| | Exodus | The Tok'ra decide to reunite with SG-1 after the crew steals a Goa'uld mother ship. | |
| | Enemies | The crew loses a member and must battle Apophis on a ship far from Earth. | |
| | Threshold | In an attempt to free his mind from Apophis, Teal'c must undergo a trying Jaffa ritual. | |
| | Ascension | After arriving on an alien planet, Carter passes out and awakens in the company of a strange new friend. | |
| | The Fifth Man | A new crew member raises suspicions. | |
| | Red Sky | The crew members of SG-1 discover that their wormhole may be causing problems on a friendly world. | |
| | The Rite of Passage | Cassandra comes to possess some strange new powers that may affect her future and that of SG-1. | |
| | Beast of Burden | Daniel undertakes a rescue mission when his Unas friend Chaka is abducted by slave traders. | |
| | The Tomb | When some soldiers get lost in an alien temple, the crew teams with a Russian Stargate squad in a rescue mission. | |
| | Between Two Fires | O'Neill is suspicious when the Tollans decide to share some of their weapons technology with the Stargate crew. | |
| | 2001 | In a prequel to the episode titled "2010," the crew meets an alien race that appears to be too good to be true. | |
| | Desperate Measures | When Major Carter is abducted by a mysterious man in black, Gen. Hammond authorizes O'Neill and Daniel to find her. The two track her to a hospital where dangerous experiments are being conducted. | |
| | Wormhole X-treme | A conspiracy theorist (Willie Garson) who's "not just interested in outer space, [he's] from outer space" creates a sci-fi TV series that features plots that could expose the top-secret Stargate program. | |