Bobby Brady: Mom always says not to play ball in the house.
Jan Brady: Well, all day long at school I hear how great Marcia is at this or how wonderful Marcia did that! Marcia, Marcia, Marcia.
Marcia Brady: Ooh! My nose.
Marcia Brady: It's so beneficial for me to be away from those children in junior high and to be with people of my own mature growth. I'm looking forward to the intellectual stimulation. Nice meeting you boys. Bye.
Alice Nelson: If there's anything I can't stand, it's a perfect kid. And SIX of 'em, yecch.
Answer: Much trivia has been written about "The Brady Bunch, " including the various interrelationships and dynamics among the members of the cast. For example, much has been written about why Robert Reed's Mike Brady did not appear in a couple of episodes, including the series finale, due to rancorous creative and artistic differences with series creator, Sherwood Schwartz. However, in contrast, I have never run across any reasons given why a particular child did not appear in specific episodes - only that the episodes were missed. This suggests the causes were likely unexceptional, such as illness, injuries, vacations, or real-life family obligations.
Although those options ARE possible reasons, it just seems a bit ironic that this happened all in Season 2 ONLY and within a short amount of nearly consecutive episodes. Never happened during the other 5 years of the show at all.