In the eposide "Our son the man" Mike said that Greg would have to be 2 1/2 feet tall to move into the attic.
Guest star Edward Knight, who portrays a game show host Monty Marshall in this episode, is Christopher Knight's (Peter's) real-life father.
The show that Cindy appears on is called "Question the Kids"
When Grandma Hutchins arrives Alice tells the girls to take their books while she sheow her where she'll stay. When shes says that her voice is differnt and alice lips don't move this is because they added that line in in later.
Carol called Mike "Mark" by accident when they were in their room with their costumes.
Here are the steps that lead to the earrings being in the washing machine:
1) Cindy tries them on in the bathroom and then hears Carol call her and hides them under a towel by the sink.
2) Alice comes in and puts the towel in the laundry bag and takes it back out because of what Carol told her about the kids cleaning up after themselves. Then she leaves the bag in the hall.
3) Jan comes out of her room and sees the bag and decides to help Alice out and puts the laundry bag in the laundry room.
4) Carol comes into the laundry room and puts the laundry into the machine.
When Carol asks Marcia to get the earrings for her, Marcia heads down the hall towards the direction of the stairs. In the next scene Marcia enters her room to get the earrings. Yet, her room is down the hall in the opposite direction from the stairs.
Here is another episode where Bobby was feeding his pet which was never seen again.
At one time or another in this episode, all the Brady kids wore a shirt with stripes.
In one of the scenes when Peter and Cindy are in Peter's room, Peter places his detectives hat in the box. In the next wide shot, the hat mysteriously appears lying on the edge of the box.
The planter box outside of Mr. Martinelli's shop is the same one as that in the Brady back yard.
Mike and Carol also slept in different tents when they went on their camping trip.
Carol points out to Mike that this is the first night of their marriage they slept in separate beds. But Carol was away visiting a sick aunt for a week in the first season.
If Burt Mustin's character, Mr. Collins, was truly his real-life age (born in 1884), it would have been impossible for his father to have been killed by Jesse James. James himself was killed in 1882.
Mr. Collins lives in Sundale, presumably California. According to mapquest.com, there is no town named Sundale, California.
Greg's hero is Wilt Chamberlain; Peter's is George Washington; Cindy's is Joan of arc.
In Mike's line, "Bobby knows better than to bring a cap gun to school," the insertion of "cap" seems forced, as though he might more naturally say, "bring a gun to school." Evidently it was to make clear to the viewers that a cap gun was in view. In today's climate, this would have led to an automatic suspension, or even an expulsion.
This is the only time we see the Brady's praying around the table-and then Bobby's toy gun goes off!
Sunshine Day and Keep On, which were both sung by the Brady Bunch kids, were re-enacted in the 1998 Brady Bunch Movie. The actors who played the kids in the film lip-synched to the original songs, recorded by the 6 kids from the TV show.
When the kids are practicing in the garage and Alice looks down at the ground to see what they are doing you can here Marcia say "Come on Chris" and then let out a big laugh.