Star Trek: Deep Space Nine: Season 6, Episode 7

6 - 7: You Are Cordially Invited

Spontaneously deciding to wed within the week on DS9, Worf and Jadzia go through their own Klingon rituals: Worf on a four day bachelor party with the male members of the crew, while Jadzia deals with her prospective mother-in-law, who deeply opposes the idea of "an alien" marrying into her Klingon household.