S2 E17: Mike's boss, Mr. Phillips, invites the family on a weekend trip on his boat. Unfortunately, Cindy comes down with tonsillitis and the trip is postponed.
When Mike Brady (Robert Reed), father of three boys marries Carol (Florence Henderson), mother of three girls, the hilarity begins as the kids try and adjust to their new step siblings. The Brady boys Greg (Barry Williams), Peter (Christopher Knight), and Bobby (Mike Lookinland) and the Brady girls Marcia (Maureen McCormick), Jan (Eve Plumb), and Cindy (Susan Olsen) are joined by Alice (Ann B. Davis), the wise-cracking housekeeper and all together strive to tackle the issues of a combined family.