G | | Adventure, Family
During construction of the Robinson's tree house residence, Father Robinson (Sir John Mills) shows Mother Robinson (Dorothy McGuire) the stairs to their bedroom saying, "This is your own circular stairway". Perhaps a reference to McGuire's popular movie The Spiral Staircase (1946), as the stairway is obviously "straight" and not circular.
It's so wonderful, I don't deserve it. I can't believe it.
Father: Don't worry about the curtains. If you don't like them, I know a woman who can fix anything.
When Fritz swings across the pool swapping vines halfway, just as he is landing on the rock, a crew member's hand reaches up into shot, just below his feet.