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'"House"-hold name: Stephanie Courtney as Sidney.
"House"-lights: Sidney and her husband are faced with an impossible choice when House tells them the only way to save their healthy (until now) 14-year-old daughter Della is to take a lung from their 16-year-old son with MS. Since his life is shortened anyway, why not save their health kid? Ultimately, the son takes the decision out of their hands when he volunteers to give his sister his lung.
Out-"House": Stephanie Courtney comes into your house every night -- as Flo the Progressive Insurance Lady.