2-09: Second Sight
Sisko is enchanted with a married woman whom appears to be imaginary.
While on business in the Gamma Quadrant, Quark is stunned to learn that his new Ferengi business acquaintance is a woman.
2-03: The Siege
Forced to abandon the station, Sisko and his crew work to stop The Circle.
2-08: Necessary Evil
While investigating a murder attempt on Quark, Kira learns of Odo’s shameful past.