[s4e13] Quarantine Instant

: Locked in McKay’s personal lab. They discover the city has malfunctioned and is broadcasting a distress beacon that could reveal Atlantis's location to the Wraith.

: The stress of the situation ultimately strains McKay's relationship with Katie Brown, setting the stage for their eventual breakup. [S4E13] Quarantine

: A freak ion storm triggers Atlantis's automated quarantine lockdown, trapping members of the expedition in various parts of the city and threatening both their safety and their secrets. Trapped Pairs & Plot Threads : Locked in McKay’s personal lab

: The team must regain control of the computer systems to override the countdown before the city is destroyed. Key Character Developments : A freak ion storm triggers Atlantis's automated

: When Sheppard breaks a window to enter the control room, the city interprets the breach as a quarantine violation and initiates a self-destruct sequence.

: This episode builds the early romantic tension between Ronon and Dr. Keller. "Stargate: Atlantis" Quarantine (TV Episode 2008) - IMDb

: Stuck in the infirmary. Ronon injures himself further by trying to pry open the doors with an IV pole, leading to a tense bonding moment as Keller treats him. The Climax & Resolution