CBS IN MAY: THE GRAND FINALES

Patrick Jane Comes Face-to-Face with Red John in a Special Two-Hour "The Mentalist"

Will Alicia's Discovery of Peter and Kalinda's Affair Finally Lead Alicia to Romance with Will on "The Good Wife"?

The Lives of the "NCIS" Team Are Jeopardized When They Confront the Infamous Port-to-Port Killer

After Hearing Leonard and Priya Indulge in a "Star Trek" Bedroom Fantasy, Raj Moves in with Sheldon, on "The Big Bang Theory"

Ted is Best Man at the Wedding in which He Meets His Future Wife on "How I Met Your Mother"

Mike Is Asked if Wedding Bells Are on the Horizon on "Mike & Molly"

Langston Is Drawn into a Final Showdown with Serial Killer Nate Haskell on "CSI: Crime Scene Investigation"

McGarrett's Confrontation with Arch Nemesis Wo Fat Could Mean the End of Five-0 on "Hawaii Five-0"

When a Drug Bust Points to the Blue Templar, Frank and His Family Take Matters Into Their Own Hands on "Blue Bloods"

Callen and the Team Investigate Hetty's Sudden Resignation on "NCIS: Los Angeles"

JJ Rejoins the BAU Team on "Criminal Minds"

The Sole Survivor Will Be Crowned in the Special Two-Hour Finale of "Survivor: Redemption Island"

A Fugitive Has More Planned than Just an Escape on "CSI: Miami"

Mac Is Determined to Close His Last Remaining Unsolved Case on "CSI: NY"

The Remaining Teams Race to the Finish Line in the Two-Hour Season Finale of "The Amazing Race"

CBS's May sweep will be highlighted with the season finales and cliffhangers of its hit comedies and dramas, as well as the finales of SURVIVOR: REDEMPTION ISLAND, THE AMAZING RACE and UNDERCOVER BOSS.

The following are CBS's May season finales and cliffhangers. To catch up on your favorite CBS shows, click here.

Sunday, May 1 (9:00-10:00 PM, ET/PT) UNDERCOVER BOSS - University of California Riverside Chancellor Timothy White trades his suit and tie and heads back to school for an undercover mission on the frontlines of his campus.

Sunday, May 8 (8:00-10:00 PM, ET/PT) THE AMAZING RACE - The final four Teams race through Rio de Janeiro and then to Miami, where the winner of the $1 million prize is revealed. Phil Keoghan hosts.

Sunday, May 8 (10:00-11:00 PM, ET/PT) CSI: MIAMI - When Horatio (David Caruso) finally captures the last prison escapee, their transport plane crash lands and the CSIs discover this fugitive has more planned than just a getaway, leaving two CSIs in life-threatening peril. Natasha Henstridge ("Species") guest stars as Agent Renee Locklear.

Thursday, May 12 (9:00-10:00 PM, ET/PT) CSI - Langston (Laurence Fishburne) is drawn into a final showdown with serial killer Nate Haskell. Bill Irwin ("Rachel Getting Married") returns as serial killer Nate Haskell.

Friday, May 13 (9:00-10:00 PM, ET/PT) CSI: NY - After a near-death experience, Mac (Gary Sinise) becomes determined to close his final unsolved case. Michael Irby ("The Unit") guest stars as Kenny Hexton, the prime suspect.

Friday, May 13 (10:00-11:00 PM, ET/PT) BLUE BLOODS - When a drug bust points to the Blue Templar?the dirty cops responsible for his son Joe's death? Frank (Tom Selleck) and his family take matters into their own hands.

Sunday, May 15 (8:00-10:00 PM, ET/PT) SURVIVOR: REDEMPTION ISLAND - For the first time, there will be eight remaining castaways in the two-hour finale vying for the title of "Sole Survivor." The finale is followed by a one-hour live reunion show hosted by Jeff Probst.

Monday, May 16 (8:00-8:30 PM, ET/PT) HOW I MET YOUR MOTHER - Ted (Josh Radnor) is best man at the wedding where he meets his future wife.

Monday, May 16 (8:30-9:00 PM, ET/PT) MAD LOVE - Kate's (Sarah Chalke) ex-boyfriend reveals some shocking information that could put her relationship with Ben (Jason Biggs) in jeopardy, and Connie (Judy Greer) and Larry's (Tyler Labine) fake date takes a very real turn. Martin Mull ("Roseanne") guest stars as Connie's dad.

Monday, May 16 (9:30-10:00 PM, ET/PT) MIKE & MOLLY - Mike (Billy Gardell) is tongue-tied when his mother's new boyfriend asks if he and Molly (Melissa McCarthy) are planning to get married.

Monday, May 16 (10:00-11:00 PM, ET/PT) HAWAII FIVE-0 - McGarrett's (Alex O'Loughlin) confrontation with arch nemesis Wo Fat (Mark Dacascos) could mark the end of the Five-0 unit.

Tuesday, May 17 (8:00-9:00 PM, ET/PT) NCIS - The lives of the NCIS team are jeopardized when they confront the infamous Port-to-Port killer. Sarah Jane Morris returns as Special Agent E.J. Barrett, Enrique Murciano returns as CIA Agent Ray Cruz and Muse Watson reprises his role as Mike Franks.

Tuesday, May 17 (9:00-10:00 PM, ET/PT) NCIS: LOS ANGELES - Hetty's (Linda Hunt) sudden resignation prompts Callen (Chris O'Donnell) and the NCIS team to investigate the reason why, only to discover that she's disappeared.

Tuesday, May 17 (10:00-11:00 PM, ET/PT) THE GOOD WIFE - Despite their tense relationship, Alicia (Julianna Margulies) and Kalinda (Archie Panjabi) must rush to prove their client's innocence in a murder trial; meanwhile, the timing might be finally right for Alicia and Will (Josh Charles) to pursue their relationship. Kelli Giddish ("Chase") returns as Sophia Russo, an associate from Kalinda's steamy past.

Wednesday, May 18 (9:00-10:00 PM, ET/PT) CRIMINAL MINDS - As the BAU team searches for a suspected human trafficking ring, Hotchner (Thomas Gibson) hints at impending changes at work and Jennifer "JJ" Jareau (A.J. Cook) rejoins the team.

Thursday, May 19 (8:00-8:30 PM, ET/PT) THE BIG BANG THEORY - When Bernadette (Melissa Rauch) receives her PhD, the guys take joy in reminding an emasculated Wolowitz (Simon Helberg) that he is the only one in their group who isn't a doctor; Raj (Kunal Nayyar) becomes Sheldon's (Jim Parsons) new roommate after hearing Leonard (Johnny Galecki) and Priya (Aarti Mann) engaging in a "Star Trek" fantasy in his bedroom.

Thursday, May 19 (8:30-9:00 PM, ET/PT) RULES OF ENGAGEMENT - Russell (David Spade) books a cruise that he thinks is filled with "red hot" ladies but instead it's filled with ladies from the Red Hat Society. Edie McClurg ("Ferris Bueller's Day Off") guest stars as Silvia, a member of the Red Hats, a social organization for women over the age of 50.

Thursday, May 19 (9:00-11:00 PM, ET/PT) THE MENTALIST - On a special two-hour finale, Red John's mole in the CBI is revealed and Patrick Jane (Simon Baker) finally meets Red John in an explosive confrontation with shocking repercussions for the CBI team.

Wednesday, May 25 (10:00-11:00 PM, ET/PT) CRIMINAL MINDS: SUSPECT BEHAVIOR - Cooper (Forest Whitaker) and the red cell team track a serial killer who is randomly killing people in crowded areas, ultimately leading to the abduction of one of their own. French Stewart ("Third Rock from the Sun") guest stars.