CBS announces renewals for 18 shows

"Need to Know" -- Top-secret clearance from a Naval research laboratory is jeopardized when the murder of a Chief Petty Officer is connected to an international arms dealer, on NCIS, Tuesday, Feb. 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Pauley Perrette as Abby Sciuto and Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs Photo: Sonja Flemming/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved.

CBS announced today it has picked up 18 returning series for the 2012-13 broadcast season, including four comedies, nine dramas, three reality series and two newsmagazines, according to a news release.

Renewed comedies include the previously announced multi-year pick-ups of  “How I Met Your Mother” and “The Big Bang Theory,” as well as “2 Broke Girls” and “Mike & Molly.”

CBS and Warner Bros. Television are in preliminary talks regarding future seasons for “Two and a Half Men.”

Renewed dramas are “NCIS,” “NCIS: Los Angeles,” “Hawaii Five-0,” “Criminal Minds, “CSI: Crime Scene Investigation,” “Person of Interest,” “The Mentalist,” “Blue Bloods” and “The Good Wife.”

“The Amazing Race,” “Undercover Boss” and the previously renewed “Survivor” are among the network’s returning reality series.