Primetime Preview: The Bachelor in New Zealand

What should you set your TiVo for tonight? And what should you say Ti-NO to?

Our staff combs through this evening's television listings and helps readers set their viewing schedules:

• 8:00 p.m. Chuck and Sarah go undercover on Chuck (NBC); A priest is treated by the team on House (Fox); It's off the New Zealand on The Bachelor (ABC),
• 9:00 p.m. Chloe meets Janis on 24 (Fox); Nathan is under investigation on Heroes (NBC).
• 10:00 p.m. Ricky tries to ruin the adoption on The Secret Life of the American Teenager (ABC Family).

Nathan faces heat from Homeland Security on tonight's Heroes.