O'Neill wakes up one morning to find himself 30 years younger, much to the annoyance of the Colonel. It is soon learned that the same process that caused him to get younger is also causing him to die.
Teal'c is shot by a Jaffa as they retreat through the gate and his self-confidence is greatly wounded. Meanwhile, Jackson remembers where Rya’c and Bra'tac are held prisoner and Teal'c must regain his confidence if they are to be saved.
P3X-289 has a toxic atmosphere but there is a forcefield dome protecting an idyllic village. That is, idyllic except for the fact that its inhabitants are disappearing one by one without noticing it themselves.
While exploring another planet, SG-1 encounters a crashed alien space ship containing a plethora of cryogenic pods. The team separates, and Daniel's mind becomes host to many different minds of the ship's crew. When SG-1 investigates the alien ship to find a way to cure Daniel, they discover that the minds of the passengers are being saved in the ship's computer. They also find that one of the crew is awake and he was the one to download the other minds into Daniel's body. The crewman also carries many minds within himself. When a pod would fail he would download the person's mind into his own. Since he was becoming delirious he wanted to save more of the crew by putting them into Daniel. With his help SG-1 is able to remove the other minds from Daniel and awaken the passengers of the ship.
Felger is about to be fired and desperate to persuade Hammond to give him another chance. He invents a computer virus able to deactivate a stargate. However the virus spreads on its own and the entire network is shut down.
Teal'c and Bra'tac are attacked by a black armoured warrior who is found to be a human Goa'uld mutant created by Anubis. Jackson visits Honduras to find a hidden artifact which may hold the key to defeating them.
O'Neill goes to Honduras to rescue Jackson and in the meantime Carter, Jacob/Selmak and Teal'c must destroy the facility where Anubis is creating the new warriors.
Carter is on Prometheus while the ship is on its way to earth, and is attacked from a spaceship of a type they have never seen before. They try to escape by hiding in a nebula but all the crew except Carter disappear.
Jonas informs SGC that Naqahdriah is created in a catalytic reaction and the process is ongoing on Kelowna. If the reaction goes deep enough, heat and pressure will destabilise the Naqahdriah and it will blow the planet apart.
Osiris has been visiting Jackson by night and using a mind control device to try and find the Lost City of the Ancients. SG-1 decide to attempt to capture her. However, Carter's new boyfriend Pete might get in the way.
The Alpha Site, where a prototype anti-supersoldier weapon is being created, is attacked by one of Anubis's drones, Carter escapes but she is on her own and the drone is hunting her.
SGC find the base of a rogue NID operation which has been attempting to mix the DNA of humans and Goa'uld, but all the agents except one have been killed.
A new President has been elected and must be briefed on the Stargate Program. However, as usual, the new Vice President Kinsey has his own agenda. (This episode is a clipshow.)
The SGC locates a Repository of the Ancients and when Anubis attacks, O'Neill downloads their knowledge into his brain again. Finally, Bra'tac warns SG-1 that Anubis plans an attack on Earth. Hammond is replaced by Dr. Elizabeth Weir.
As Anubis' fleet arrives, SG-1 flies to a planet with an Ancient outpost where they locate another outpost in Antarctica back on Earth. From there O'Neill is able to destroy Anubis' fleet using the Ancient weapon.
Production
With "Fallen", Michael Shanks (Dr. Daniel Jackson) rejoins the cast, and Corin Nemec (Jonas Quinn) gets billed as a "Guest Star" (he would have his only guest appearance later in "Fallout"). George Touliatos previously played Pyrus, Shyla's father, in "Need." The scenes with the Goa'uld motherships flying in hyperspace are actually stock footage from the Season 2 episode "The Serpent's Lair."
Peter DeLuise, who directed "Fragile Balance", provided the voice of Loki in the same episode.
In "Space Race", Alex Zahara takes on the role of Warrick, who was played by Dion Johnstone in "Forsaken". This marks Zahara's sixth different character that he has played on Stargate, usually under make-up. It's also the second week in a row that someone else has taken over a role originally played by Dion Johnstone. G. Patrick Currie, who plays Eamon in this episode, took over Johnstone's role as Chaka in the previous weeks. Patrick Currie (Eamon) previously played Fifth in season six's "Unnatural Selection".
The weapon Carter uses in "Avenger 2.0" (referred to as the Carter Special) was created as the show could not use P90's as the war in Iraq made getting hold of the cartridges difficult.[1]
"Chimera" was alternatively entitled Black Widow Carter. In the episode, Carter mentions how all of her boyfriends in the past are dead, which is accurate. David DeLuise appeared as the fourth DeLuise on Stargate - Dom, Michael, and Peter have all appeared in the past. Although Carter hums the Stargate SG-1 theme tune in the elevator in the episode, Amanda Tapping actually wanted to hum the MacGyver theme but couldn't remember the melody.[2] Carter also says that Colorado Springs has no zoo, when it in fact does, the Cheyenne Mountain Zoo. Producer Joseph Mallozzi said that this was supposed to be a subtle hint that Carter spends too much time at work to notice what her city has to offer.[3] At the beginning of the episode, there is a shot of what should be the University of Chicago, in fact the shot is of the University of Chicago Lab School, a lower school affiliate.
"Heroes, Part 2" was the 150th episode of Stargate SG-1 to be aired. Adam Baldwin, who plays Colonel Dave Dixon, commander of SG-13, in this episode, is well-known among sci-fi fans for playing Jayne Cobb in the cult hit Firefly and its big-screen adaptation Serenity and also Marcus Hamilton in Angel. Mitchell Kosterman previously played a different character, Special Agent James Hamner, in "Seth". "Heroes" also marks the first appearance of Agent Richard Woolsey (Robert Picardo) on the series. Picardo is most well-known for playing the holographic Doctor on Star Trek: Voyager.
"Resurrection" is the first SG-1 episode directed by Amanda Tapping. It is also the only SG-1 episode to have both been written by an actor on the show (Michael Shanks) and to be directed by one as well.
The White House interior set in "Inauguration" and "Lost City" is the same one used in X-Men 2. Along with "Disclosure", "Inauguration" is one of only two episodes where none of the regular characters except General Hammond are featured.
This is the only season of Stargate SG-1 to air on the Sci-Fi Channel to feature the original Showtime cast.
Cultural references
A scene in "Fallen" of the F-302 destroying the power core is a humorous homage to episode six of Star Wars, Return of the Jedi, complete with similar visuals and terminology. There is also a subtle Star Wars reference in the dialogue as they prepare to launch the F-302: "Airstrike, this is command base, you are go for takeoff", O'Neill: "Yeah, I thought we were going with Red Leader on this one" (Red 5 was the callsign of Luke Skywalker's X-wing squadron at the battle of Yavin), and when Carter congratulates O'Neill on his great shot, just like Han Solo did with Luke Skywalker in episode 4.
In "Avenger 2.0" , Dr. Felger (Patrick McKenna), who first appeared in Season 6's "The Other Guys", prominently packs a roll of duct tape during his preparation for going offworld. This is a reference to the Red Green Show, which featured Patrick McKenna in a regular role.[1]
For the episode "Lifeboat", Michael Shanks won a Leo Award in the category "Dramatic Series: Best Lead Performance - Male", and Teryl Rothery was nominated for a Leo Award in the category "Dramatic Series: Best Supporting Performance - Female".[4]
"Enemy Mine" won a Leo Award in the category "Dramatic Series: Best Make-Up"[4]
For the episode "Grace", Amanda Tapping won a Leo Award in the category "Dramatic Series: Best Lead Performance - Female".[4]
"Heroes" was nominated for a Hugo Award in the category Best Dramatic Presentation - Short Form.[4]
For "Heroes, Part 2", Andy Mikita was nominated for a Leo Award in the category "Dramatic Series: Best Direction", and Don S. Davis was nominated for a Leo Award in the category "Dramatic Series: Best Supporting Performance - Male".[4]
"Lost City, Part 2" was nominated for an Emmy Award in the category Outstanding Special Visual Effects for a Series and for a Gemini Award in the category Best Visual Effects.[4]
United States, 
Canada
