Audio problem: Just after the baby, Megan, eats the can of chili, she hiccups once or twice. You can hear the hiccup, but her stomach and mouth don't even move with the hiccup.
Audio problem: When Caroline is walking around the boardroom meeting on her first day, every ounce of dialogue from the corporate team is echoed, indicating it must be a bad studio recording from the background.
Audio problem: When Ron hangs up the phone in Caroline's hotel room, and she comes out and asks who was on the phone, there is an obvious echo when Ron answers 'wrong number' indicating poor acoustics from the sound stage.
Audio problem: When Jack has baby Megan hoisted over the hand dryer, Kenny calls out to him in an echo, and Jack answers in an echo, indicating a bad sound acoustic in the obvious studio space.
Answer: Deep-fried rice noodles. I believe they're known as cellophane noodles. That's actually how they react. You heat oil in a pan and when the noodles hit the oil they "explode" like what you see in the film.