Fountain of Youth: The cocktail wieners from Peewee's hotdog plant end up turning the elderly people into young children.
Getting Crap Past the Radar: Kids wouldn't understand why Pee-Wee gets so excited every time he gets to touch a girl's hair, while their parents are probably impressed that Pee-Wee managed to work a blatant fetish into what's ostensibly a children's movie.
Mace: Lovely farm you have here. I hope we're not putting you out. Pee-Wee: Putting me out? Of course you're not putting me out. (Andy opens the door, accidentally hits Pee-Wee. Pee-Wee scares him. Looks back at Mace laughing like it was nothing.)