Lois & Clark (1993) - 4x03 - Swear to God, This Time We're Not Kidding

Few days before their wedding, Lois and Clark must face with Myrtle Beech AKA "The Wedding Destroyer" and her therapist. She doesn't want them (and no one else) to get married, and will do shocking things to stop it because years ago, Lois wrote the story which sent her to jail. When Lois and Clark finally stop Myrtle, they finally get married on the mountains, with the help of the angel Mike.