Which Returning Shows Have Never Jumped the Shark?

With so many of our favorite shows returning for fall, we want to know: Which have never jumped the shark?

Returning Fall Shows: Where We Left Off

Is Smallville flying high in its tenth season? Has NCIS kept its edge through the Tony and Ziva will- they-or-won't-they? Did House detox from House's Vicodin-fueled delusions? Should 30 Rock get credit for keeping its core ensemble intact — and never adding a baby? Has Grey's Anatomy persevered, even through hallucinatory sex?

Hit the comments to tell us which of your favorite shows — that are still on the air — have never jumped. We'll whittle down the list and hold the poll to end all polls to decide, finally, what show gets the most never-jumped votes.