: To stop the distress beacon, Sheppard performs a dangerous external climb up the side of the city's central spire to reach the control room.
: Confined in a transporter (lift) with only a laptop. Their attempts to bypass the system lead to friction, especially when Zelenka accidentally shorts out a circuit. [S4E13] Quarantine
: 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. : To stop the distress beacon, Sheppard performs
: The stress of the situation ultimately strains McKay's relationship with Katie Brown, setting the stage for their eventual breakup. : To stop the distress beacon