"Dogs of War" is correct.
Clue #1 happy Quark -- he thinks he is going to be nagus.
Clue #2 gaining support -- the Cardassian rebellion is growing after Damar's speech.
Clue #3 expanding family -- Kassidy is pregnant.
Clue #4 narrow escape -- Kira, Garak, and Damar narrowly escape capture after resistance cell is betrayed.
Clue #5 the replacement -- the Sao Paolo replaces the Defiant and becomes the Defiant II.
Your turn, Farscape One.