Tonight marks the return of 2 CBS dramas and one beloved reality show. Finally networks are dolling out new programming as the new year kicks into gear. Tonight, Undercover Boss tackles benefits for same-sex couples within Mood Media, sure to be a tear jerker. Over in New York, the CSI team tackles a case where two victims are linked by one unusual weapon, while an accident hits very close to home to the Blue Bloods family. Check out first look previews below. The CBS Friday lineup kicks off at 8/7c tonight!