Step 1: Go easy on the Izzie

Since Katherine Heigl's taking five episodes off, it's probably less critical, but make sure Izzie has so much to do that Heigl doesn't resort to shrieky over-acting. When she's on, she's on. When she's overacting, it's a hot mess. Not every season has to be Emmy-worthy. Let us rediscover the Izzie we all loved from the beginning.
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