What A Wig!
During most of the first season, Florence Henderson had her hair cut very short for an off-Broadway play. The producers wanted Mrs. Brady to have longer hair, so during filming for the The Brady Bunch, they had her wear a wig!
No PDA Allowed
Maureen and Barry’s romantic relationship got in the way of filming a bit too many times. When they were filming a three-episode plot in Hawaii, Maureen and Barry got too close for comfort during some of the scenes. In fact, the director was forced to cut mid-shooting multiple times to give the actors time to cool off.