Mitchell pushes himself through the grueling and unrelenting training of the Sodan to prove himself and get through to their leader, Lord Haikon. (“Babylon”) (71%)

Mitchell suffers from horrible visions and stands falsely accused of murder after alien technology is used to graft the memory of the gruesome event into his mind. (“Collateral Damage”) (13%)

Mitchell is determined to solve the murder for which he was framed, even after his own name is cleared. (“Collateral Damage”) (16%)

Daniel is forced to watch Vala burn to death, and comforts her after she is miraculously resurrected by a Prior of the Ori. (“Avalon, Part 2”) (40%)

When he is brought before the Doci Daniel comes face-to-face with the Ori themselves — evil ascended beings bent on conquering our galaxy — and warns them that the humans there will fight back. (“Origin”) (34%)

Daniel publicly debates a Prior on their behalf of the people of P8X-412, arguing that like the Goa’uld before them the Ori are not gods. (“The Powers That Be”) (26%)

Sam works side-by-side with Orlin to help stop the Prior plaque after he returns to corporeal form as a child, and visits him after he loses his memories entirely. (“The Fourth Horseman, Part 2”) (28%)

Carter is shifted into another dimension with Mitchell and must figure out a way to communicate with her friends at the S.G.C. (“Arthur’s Mantle”) (29%)

After a failed attempt to go EVA and disable the Supergate, Carter watches helplessly as Ori warships decimate a fleet of ships from the allied races from the Milky Way. (“Camelot”) (43%)

Teal’c and Bra’tac rally the Free Jaffa against Gerak when he throws his support behind the Ori. (“The Fourth Horseman, Part 2”) (10%)

After a heated debate, Teal’c takes Gerak — now an Ori Prior — to a Jaffa memorial site and convinces him to save Earth from an Ori plague at the cost of his own life. (“The Fourth Horseman, Part 2”) (55%)

Teal’c is captured and tortured by Baal, and pretends to be brainwashed when Baal orders him to kill Bra’tac — only to turn the tables and kill one of Baal’s clones. (“Stronghold”) (35%)

Vala uses a healing device to try and help the people she once wronged, now striken with the Prior plague, even though it takes a demanding physical toll on her. (“The Powers That Be”) (18%)

With the Ori on the verge of gaining a beachhead in the Milky Way, Vala risks her life to pilot a cargo ship to destroy the Supergate before it can be activated. (“Beachhead”) (63%)

Pregnant and trapped in another galaxy, Vala remains defiant when she is chained up as an unbeliever — unaware that she is being tested not by followers of the Ori but by the resistance movement. (“Crusade”) (20%)

When Earth’s plan to destroy the Supergate goes awry, Landry demands answers from Nerus — finally using the threat of starvation to coerce the gluttonous Goa’uld. (“Beachhead”) (55%)

After confronting an Ori Prior face-to-face, General Landry is stricken with the same disease that has become pandemic on Earth. (“The Fourth Horseman, Part 2”) (23%)

The General tangles with Colonel Chekov and the Chinese representative over the use of the Stargate, discovering that their tough talk is intended to secure the Russians their own Daedalus-class battleship. (“Crusade”) (22%)

Along with Vala, the reunited SG-1 take off on the Prometheus to stop the Ori from establishing a beachhead in our galaxy, leading to a sacrifice by a valuable member of the team. (“Beachhead”) (16%)

Cameron Mitchell hands out SG-1 badges to Samantha Carter and Daniel Jackson, signifying that the “band” is officially back together. (“Ex Deus Machina”) (39%)

Having assembled an alliance of enemies and allies from all over the galaxy, SG-1 works together at the Supergate to try to stop a full-scale Ori invasion of our galaxy. (“Camelot”) (45%)

The Ori (“Origin”) (60%)
Tenat and Jup’s race (“The Ties That Bind”) (5%)
The Sodan (“Babylon”) (35%)

The Doci (“Origin”) (30%)
Nerus (“Beachhead”) (8%)
Baal (“Ex Deus Machina”) (45%)
Khalek (“Prototype”) (15%)
President Nadal of the Rand Protectorate (“Ethon”) (3%)

Supergate (“Beachhead”) (43%)
Merlin’s dimension-shifting device (“Arthur’s Mantle”) (36%)
Ori warships (“Camelot”) (21%)

Julian Sands as the Doci (“Origin”) (16%)
Cameron Bright as Orlin (“The Fourth Horseman, Part 1”) (6%)
Louis Gossett, Jr. as Gerak (“The Fourth Horseman, Part 2”) (15%)
Teryl Rothery as Janet Fraiser (“Ripple Effect”) (47%)
Robert Picardo as Richard Woolsey (“The Scourge”) (16%)

“Origin” (15%)
“Beachhead” (19%)
“Ripple Effect” (25%)
“Arthur’s Mantle” (9%)
“Camelot” (33%)