Thought J.D., Turk and the rest of the gang at Sacred Heart had said their final goodbyes? Think again.

With Zach Braff, Donald Faison, Sarah Chalke and most of the other cast members having just inked deals to return for a possible Season 9, it's looking like fans may get to scrub back in for another year.

In other news, Leno books Conan as his final 'Tonight Show' guest, 'Smallville' kills off an iconic character, and NBC renews 'Carson Daly.'

See more of today's TV headlines, casting scoops and premiere dates after the jump.