Strike's Over - Where Do We Go From Here?

All of this is from this webpage. Check it out for a longer list of shows coming back. I've only talked about the ones I watch.

Returning with episodes this season (before Summer)
Bones
Las Vegas
Lost
The Office
One Tree Hill

Possibly returning with episodes this season
Desperate Housewives
Dirty Sexy Money
Grey's Anatomy
Ugly Betty

Returning in the fall (or later)
Heroes - Fall 2008
24 - Spring 2009