Trivia: Barry Williams admits to having been stoned when the opening scenes were filmed. Watch as he stumbles over the bicycle pump.)
Trivia: During Bobby's dream where the family is killed by Jesse James, Mike Lookinland looks genuinely horrified despite the "cartoon style carnage" that is going on around him. The reason is because just before the scene was filmed, the producer pulled him aside and told him to think of things like his real-life family getting killed, his dog getting run over, etc. He was then "debriefed" afterward. (00:22:15)
You Can't Win 'Em All - S4-E22
Trivia: Edward Knight, who plays the game show host, is the real-life father of Christopher Knight, who plays Peter.
The Subject Was Noses - S4-E18
Trivia: The day this episode aired, Maureen McCormick, who played Marcia, was in a car accident and injured her nose.
Hawaii Bound - S4-E1
Trivia: Greg's surfing accident - which to this day still scares Barry Williams every time he sees it - was nearly left out of the episode because it was deemed "too frightening for the nature of the show". In reality, he was able to turn around at the last minute and while avoiding hitting his head on the exposed coral, his feet became, in his words, "hamburger meat".
Trivia: Rita Wilson - who is now married to Tom Hanks - makes her acting debut, playing "Pat" in the cheerleading scenes. (00:18:35)
Trivia: The man on stage with the young girl is Frank De Vol, who composed the music for the Brady Bunch and many other shows. (00:16:50)
Answer: I think I remember that episode - but, more importantly, my mother always told me (and my siblings) to stop jumping/ stomping, running in the kitchen, and opening the oven door when a cake was baking... because these could make the cake fall. I believed my mother... and I, as a child, also caused a few "fallen cakes" because I didn't quite always listen (right away, anyway). I'm sure Alice's fallen cake episode was exaggerated, but cakes really CAN fall from stomps and opening the oven door too soon. Usually, it has something to do with the baking powder and how the air bubbles change during the baking process. Doing something that might cause the oven and cake inside to move/shake can suddenly change the air bubbles inside the cake and cause a collapse. I don't know all factors that have to occur for a cake to fall (collapse in the middle), but I've seen fallen cakes during my adulthood and... well... caused at least a few myself. Regarding Alice's cake falling each time one of the Brady kids stomped upstairs, I'm not sure if a series of falls could occur. IF it is possible, I think there would have to be way too much baking powder in the batter or some other inaccurate combination of ingredients that alter the chemical process during baking.
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