Five new photos have arrived from the premiere episode of The Walking Dead Season 4. "30 Days Without an Accident" finds Rick (Andrew Lincoln) and the gang in a safe place, with new piglets to feed and a garden growing on the prison grounds. But as you can see from the gruesome photo of the crawling zombie, danger lurks close by. Check out Steven Yeun, Chandler Riggs and Lauren Cohan as they prepare for harsh days ahead. Is swine influenza just around the corner for the survivors of The Walking Dead?