Carol and Mike wed and the two sets of siblings merge to one family.

The six kids believe they're breaking up their parents' new marriage.

Cindy’s lead role in a school play causes a family crisis.

Alice doesn't think the boys need her as much anymore now that Carol is in the house, so she announces that she is leaving.

Cindy blames Bobby for taking her Kitty-Karry-All doll.

Mike and Carol plan a camping trip for the whole family.

Greg and Marcia run against each other for student body president.

Carol gets laryngitis right before singing at the Christmas service.

Marcia nominates Mike for a “Father of the Year” award.

The glamorous Abbe Lane guest stars as Mike’s new client.

The Bradys comb the neighborhood in search of runaway dog Tiger.

Mike and the kids run the house while Carol is out of town.

Marcia becomes convinced she's "ugly, ugly, ugly!" after having to wear braces.

Peter’s ego inflates after saving a girl from an accident.

The kids are at each others' throats. The basic cause of the problem is that the house is seemingly too small with six kids sharing two…