Following are episodes that aired as part of season 2 of Stargate Atlantis.
201. The Siege: Part 3
Conclusion. Col Caldwell (Mitch Pileggi) reinforces the beleaguered Atlantis team as the Wraith mass for another assault.
• Fri, Jul 15, 2005
• Directed by Martin Wood
• Written by: Martin Gero
• Cast: Joe Flanigan (Major John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Rainbow Sun Francks (Lt. Aiden Ford). David Hewlett (Dr. Rodney McKay). Paul McGillion (Dr. Carson Beckett). Ellie Harvie (Dr. Lindsey Novak). Clayton Landey (Colonel Dillon Everett). David Nykl (Dr. Radek Zelenka). Mitch Pileggi (Colonel Steven Caldwell). Kirby Morrow (Captain Dave Kleinman).
202. The Intruder
McKay discovers that a sinister artificial intelligence has infected the computers of the Daedalus after circuitry malfunctions result in the death of two scientists.
• Fri, Jul 22, 2005
• Directed by Peter DeLuise
• Writer: Joseph Mallozzi and Paul Mullie
• Cast: Joe Flanigan (Lt. Colonel John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Rainbow Sun Francks (Lt. Aiden Ford*). David Hewlett (Dr. Rodney McKay). Paul McGillion (Dr. Carson Beckett). Beau Bridges (Major General Hank Landry). Garwin Sanford (Simon Wallis). Lucia Walters (Lara). David Nykl (Dr. Radek Zelenka). Mitch Pileggi (Colonel Steven Caldwell).
203. Runner
The team's discovery of a Wraith's mutilated remains during an expedition leads to an encounter with local warrior Ronon Dex (Jason Momoa), who has information about the missing Ford.
• Fri, Jul 29, 2005
• Directed by Martin Wood
• Writer: Robert C. Cooper
• Cast: Joe Flanigan (Lt. Colonel John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Rainbow Sun Francks (Lt. Aiden Ford). David Hewlett (Dr. Rodney McKay). Paul McGillion (Dr. Carson Beckett). Jason Momoa (Ronon Dex). Kavan Smith (Major Evan Lorne). Mitch Pileggi (Colonel Steven Caldwell). Jonathon Young (Dr. Parrish). Dan Payne (Lt. Reed).
204. Duet
A new security officer (Jaime Ray Newman) is trapped inside McKay's body with its unwilling host after Doctor Zalenka (David Nykl) botches the pair's transportation from a Wraith vessel.
• Fri, Aug 5, 2005
• Directed by Peter DeLuise
• Written by: Martin Gero
• Cast: Joe Flanigan (Lt. Colonel John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Jason Momoa (Ronon Dex). Paul McGillion (Dr. Carson Beckett). David Hewlett (Dr. Rodney McKay). Jaime Ray Newman (Lt. Laura Cadman). Claire Rankin (Dr. Kate Heightmeyer). Kavan Smith (Major Evan Lorne). David Nykl (Dr. Radek Zelenka). Brenda James (Dr. Katie Brown).
205. Condemned
The team's suspicions are aroused when they arrive on the technologically advanced world of Olesia, where the population appears to be immune from the ravages of the Wraith.
• Fri, Aug 12, 2005
• Directed by Peter DeLuise
• Story: Sean Carley. Teleplay: Carl Binder
• Cast: Joe Flanigan (Lt. Colonel John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Jason Momoa (Ronon Dex). Paul McGillion (Dr. Carson Beckett*). David Hewlett (Dr. Rodney McKay). Darcy Belsher (Eldon). Christian Bocher (Torrell). Alan C. Peterson (Magistrate). Kavan Smith (Major Evan Lorne). Kyla Anderson (Marin).
206. Trinity
McKay tries to harness an energy source hidden within a monolith constructed by the Ancients on a planet previously believed to have been destroyed by the Wraith.
• Fri, Aug 19, 2005
• Directed by Martin Wood
• Writer: Damian Kindler
• Cast: Joe Flanigan (Lt. Colonel John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Jason Momoa (Ronon Dex). Paul McGillion (Dr. Carson Beckett). David Hewlett (Dr. Rodney McKay). David Nykl (Dr. Radek Zelenka). Sean Campbell (Solen). Mitch Pileggi (Colonel Steven Caldwell). Christopher Gauthier (Mattas). Barry Greene (Hendon).
207. Instinct
A synthetic virus created by Doctor Beckett to revert Wraiths to human form puts Sheppard's life in jeopardy after the team encounters a girl in the early stages of Wraith development.
• Fri, Aug 26, 2005
• Directed by Andy Mikita
• Writer: Treena Hancock and Melissa R. Byer
• Cast: Joe Flanigan (Lt. Colonel John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Jason Momoa (Ronon Dex). Paul McGillion (Dr. Carson Beckett). David Hewlett (Dr. Rodney McKay). Jewel Staite (Ellia). John Innes (Zaddik). Stephen Dimopoulos (Goran). Tom Bates (Barkeep). Nico McEown (Boy).
208. Conversion
Beckett and McKay race to curb Sheppard's disturbing metamorphosis when he begins to exhibit Wraith traits after being exposed to a strange virus.
• Fri, Sep 9, 2005
• Directed by Brad Turner
• Teleplay: Martin Gero. Story: Robert C. Cooper and Martin Gero
• Cast: Joe Flanigan (Lt. Colonel John Sheppard). Torri Higginson (Dr. Elizabeth Weir). Rachel Luttrell (Teyla Emmagan). Jason Momoa (Ronon Dex). Paul McGillion (Dr. Carson Beckett). David Hewlett (Dr. Rodney McKay). Kavan Smith (Major Evan Lorne). Mitch Pileggi (Colonel Steven Caldwell). Matthew Harrison (Scientist #1). Lindsay Collins (Dr. Biro). Todd Hann (Bravo Leader).
