Science proves Moltz right about smoke detector batteries. If, like Moltz, you haven't been on Radiator Springs Racers at Disney, you can see a taste of it here (the actual racing part starts about five minutes in). Our thanks to Care.com for sponsoring this episode. Care.com helps you find any kind of care help you need: babysitters, nannies, dog walkers and elder care. Go to Care.com/TTCA and you'll get 30 percent off a premium membership. Our thanks also to Sleep Number, the best sleep of your life. Set your sleep number from 0 to 100 to adjust how firm or soft you want your sleep experience. Find a Sleep Number store near you at SleepNumber.com and tell them Lex from Turning This Car Around sent you (really). Follow us: @ttcashow. Lex Friedman can be found @lexfri, John Moltz can be found @Moltz and Jon Armstrong is @blurb.