Donnie Wahlberg Gives Sneak Peek Of Upcoming 'Blue Bloods' Episode

STUDIO CITY (CBSLA.com) — Actor Donnie Wahlberg from the hit CBS show "Blue Bloods" stopped by KCAL9 Monday to give viewers a sneak peek at the upcoming episode!

"Blue Bloods", which is in its fourth season, is a drama about a multi-generational family of cops dedicated to New York City law enforcement.

Wahlberg directed the next episode, which airs Friday at 10 p.m.