Episodes of "Chuck" in which Yvonne Strahovski has sexy scenes: S01E01, S01E12, S02E01, S02E04, S02E05, S02E07, S02E10, S02E12, S02E15, S02E21, S03E01, S03E02, S03E06, S03E14, S03E15, S03E17, S04E02, S04E04, S04E06, S04E08, S04E09, S04E14, S05E01, S05E09