Heroes: It's A Zoo In There

Hayden Panettiere and costar Zachary Quinto shoot new scenes for the upcoming season of their hit NBC drama, Heroes, at the Old Zoo in Griffith Park, Los Angeles on Friday.

Also spotted on set: Jack Coleman! It seems like Sylar (Quinto) and HRG (Coleman) are going to be working together in season 3 after all!

It’s been rumored that Hayden‘s costar and boyfriend Milo Ventimiglia is getting ready to propose.