Pasts Imperfect (a.k.a.) Past Imperfect (S04E18)

S04E01 Weekend at Halberts S04E01 Don't Rain on My Charade S04E02 The Gray Knight S04E02 Truth and Consequences (1) S04E03 Truth and Consequences (2) S04E03 The Good, the Bad and the Tightwad S04E04 Three on a Mismatch S04E04 In His Majesty’s Secret Service S04E05 The Object of My Affliction S04E05 Stranger in the Halps S04E06 You Pays Your Money S04E06 Krakenskull S04E07 The Ransom S04E07 Heart of Stone S04E08 Thanks for Giving S04E08 Between a Rock and a Hard Place S04E09 The Good Life S04E09 March of the Colossus S04E10 Getting to Know You S04E10 The Fall S04E11 Russians and Ruses S04E12 Life, Death and Vinnie Duncan S04E13 Baby on the Line S04E14 It Only Hurts When I Love S04E15 Hear Today, Gone Tomorrow S04E16 Forget Me Not S04E17 The Spy Who Bugged Me S04E18 Pasts Imperfect (a.k.a.) Past Imperfect S04E19 Blue Genes S04E20 Primetime S04E21 Friends in High Places S04E22 South Side Story