Fair rating?Stargate Atlantis· Season 2 · Episode 13
Critical Mass
On Earth, a galaxy away from Atlantis, Gen. Landry receives intelligence that The Trust, a group of conspirators controlled by the evil Goa'uld, have learned of the Ancient city and sent an undercover operative there to plant a bomb. Details are sketchy, but any use of Atlantis's stargate to dial Earth will somehow trigger the explosion.
Streaming on (US) 
See all
#1In Season 2of 20 rated episodes
#19All-timeof 100 rated episodes
+0.5vs season avgSeason 2 averages 7.5
2006First airedJanuary 20, 2006
Guest stars
David Nyklas Dr. Radek Zelenka
Mitch Pileggias Col. Steven Caldwell
Gary Jonesas Sgt. Walter Harriman
Bill Dowas Dr. Bill Lee
Ben Cottonas Dr. Kavanagh
Beau Bridgesas Major General Hank Landry
Jaime Ray Newmanas Lt. Laura Cadman
Ellie Harvieas Dr. Lindsey Novak
Peter Flemmingas Agent Malcolm Barrett
Chuck Campbellas Chuck
Trevor Devallas Hermiod (voice)Brenda McDonaldas Charin
Peter Kuflukas MSgt. ConnorCrew
Shows like Stargate Atlantis
The closest matches on shared genres, ranked by match strength and popularity.
- 01Action·Adventure·Science-FictionStargate SG·11997–2008Amanda Tapping also stars·Same network — Syfy
- 02Action·Adventure·Science-FictionThe Mandalorian2019–2023·Disney+
After the stories of Jango and Boba Fett, another warrior emerges in the Star Wars universe. - 03Action·Adventure·Science-FictionLanterns2026–present·HBOLanterns follows new recruit John Stewart and Lantern legend Hal Jordan, two intergalactic cops drawn into a dark, Earth-based mystery as they investigate a murder in the American heartland.
- 04Action·Adventure·Science-FictionStar Trek: Strange New Worlds2022–present·Paramount+
Star Trek: Strange New Worlds follows Captain Pike, Science Officer Spock and Number One in the decade before Captain Kirk boarded the U.S.S. - 05Action·Adventure·Science-FictionAhsoka2023–present·Disney+Set after the fall of the Empire, Ahsoka follows the former Jedi knight Ahsoka Tano as she investigates an emerging threat to a vulnerable galaxy.
- 06Action·Adventure·Science-FictionMonarch: Legacy of Monsters2023
After surviving Godzilla's attack on San Francisco, Cate is shaken yet again by a shocking secret.
