There were only two other refs.
On the episode where Bobby is a hall safety monitor and gives Cindy a write up, Cindy says "If my son was a police officer and he gave me a ticket, I'd give him a spanking."
And there's one episode where Mike and Carol are in Mike's study. Carol kisses him and turns to leave. Mike raises his hand as she turns, and she quickly covers her bottom with her hands. Too slow, Mike.
Hi, my name is BlackVelvet and I'm a former Brady addict. (HI, BV!!)