Complex sentence: Stone has appeared twice on NBC's "Today", the second appearance featured him visiting the home of host Meredith Vieira to teach her, as her children had complained that she did not know how to cook.
Split into simpler sentences: Stone has appeared twice on NBC's "Today". His second appearance featured him visiting the home of host Meredith Vieira to teach her how to cook, as her children had complained that she did not know how to cook.