Episode Guide

501: High Exposure TV-PG+LV (60 min)

Don and his team hunt for the killers of two rock climbers found in possession of a large diamond. Also, Charlie decides if he should try to get his FBI clearance reinstated, and a new agent joins the team. Sophina Brown ("Shark") Joins the Team as Agent Nikki Betancourt, A Tough, Street-Smart Ex-LAPD Officer Lou Diamond Phillips ("La Bamba") Reprises His Role as Agent Ian Edgerton.

502: The Decoy Effect TV-14+LV (60 min)

The team investigates a pattern of increased ATM kidnappings when a woman who was abducted and forced to withdraw random amounts of money from her ATM is murdered. Also, Charlie meets the man who will decide the fate of his FBI security clearance. Keith Carradine ("Dexter," Deadwood") Guest Stars as Carl McGowan, the FBI Investigator Who Will Determine the Fate of Charlie's Security Clearance.

503: Blowback TV-14+LSV (60 min)

When eight people, including two police officers, are executed in a coffee shop, an LAPD detective gets the team on the case, and they uncover a trail of blackmail, romance and corruption. Also, McGowan's investigation of Charlie and Don deepens. D.B. Woodside ("24," "Buffy the Vampire Slayer") and Jonathan Silverman ("Close to Home," "The Single Guy") Guest Star.

504: Jack Of All Trades TV-PG+L (60 min)

Don and his team are called in to help a veteran FBI agent track down a con man who has eluded him for years. Also, Agent McGowan hands down his decision on Charlie's security clearance and Don's future with the FBI. Henry Winkler ("Happy Days,") and Nora Dunn ("Saturday Night Live") Guest Star.

505: Scan Man TV-14+LV (60 min)

The team hunts a crew stealing high-end goods from a shipping service and looks to an employee with savant-like abilities to lead them to those behind the scheme. Also, when one of Don's men is killed on duty, he questions his faith in the FBI.

506: Magic Show TV-PG+LV (60 min)

While on a date, David catches a disappearing act at a magic show but quickly becomes involved in the performance when the magician really vanishes. Magic Superstar Penn Jillette Guest Stars As Himself.

507: Charlie Don't Surf TV-PG+LV (60 min)

When the death of a family friend is ruled an accident, Don and Charlie investigate, only to make a startling discovery. Pro Surfer Brad Gerlach Guest Stars and Emilio Estevez ("The Breakfast Club") Directs.

508: Thirty Six-hours TV-PG+LV (60 min)

When a passenger train collides with a freight train carrying toxic chemicals, Don, Charlie and the team begin to investigate if foul play was involved.

509: Conspiracy Theory TV-14+DLV (60 min)

The bombing of an influential charity's headquarters forces the team to sift through various rumors about the true reach of the organization's power. Paul Michael Glaser ("Starsky & Hutch"), Josh Gad ("Back To You") and Jeff Kober ("China Beach") Guest Star.

510: Frienemies TV-14+LV (60 min)

When a vigilante group goes after a known criminal mastermind, Charlie is forced to turn to his rival for help. Also, Don wrestles with his emotions towards embracing religion. Colin Hanks ("Roswell," "Mad Men") Guest Stars.

511: Arrow Of Time TV-14+LV (60 min)

Don looks toward his newly found religious beliefs to help him contend with a escaped criminal bent on revenge. David Gallagher ("7th Heaven") Reprises His Role As Buck Winters.

512: Jacked TV-14+LV (60 min)

The team has only four hours to stop a group of hijackers who take a bus full of Hollywood tourists hostage. Chris Bruno Reprises His Role As Tim King.

513: Trouble In Chinatown TV-14+LV (60 min)

Feud between rival Chinese gangs leads to the kidnapping of an undercover agent and the re-appearance of the enigmatic Samuel Kraft. Kelly Hu ("X2: X-Men United," "Martial Law") Guest Stars As Alice Kim and John Glover ("Smallville") Reprises His Role As Samuel Kraft.

514: Sneakerhead TV-PG+LV (60 min)

A stolen pair of "kicks" leads the team into the world of sneaker collecting after a foreign Ambassador finds his prized pair missing. Grammy Award winner Eve Guest Stars As La-La Buendia and Emilio Estevez ("The Breakfast Club") Directs.

515: Guilt Trip TV-PG+LV (60 min)

When Robin's seemingly strong case against a weapons smuggler falls apart, the team decides to look into the jury who heard the case. James Marsters ("Buffy The Vampire Slayer," "Angel,") Guest Stars As Damian Lake and Ray Wise ("Reaper," "24") Guest Stars As Mitch Langford.

516: Cover Me TV-14+DLV (60 min)

To stop a new drug from hitting the streets, Charlie devises a plan that could put Liz in harm's way. Eion Bailey ("Band of Brothers," "ER") Guest Stars As Cam and Lorraine Toussaint ("Saving Grace," "Any Day Now") Guest Stars As Agent Terri Green.

517: First Law TV-PG+LV (60 min)

When a super computer is the prime suspect in the death of cutting-edge scientist, the team must use new means to crack the case. Meanwhile, Charlie weighs a compelling job offer.

518: 12:01 Am TV-PG+LV (60 min)

The team has only hours to investigate a last minute tip that could exonerate a dangerous mob boss on the eve of his execution. Meanwhile Charlie's attempt to help the CalSci basketball team break their incredible losing streak leads to some interesting outside help. Pau Gasol and Jordan Farmar of the Los Angeles Lakers Guest Star As Themselves and Gina Gershon ("Rescue Me," "Face/Off") Guest Stars As LAPD Detective Danielle Hill.

519: Animal Rites TV-14+LV (60 min)

The investigation into a professor's death takes a dangerous turn when the team finds their lead suspect has ties to a radical animal rights group. Michael Stahl-David ("Cloverfield") Guest Stars As Activist Josh Skinner and Polly Walker ("Rome") Guest Stars As Dr. Lorna Ludlow.

520: The Fifth Man TV-14+LV (60 min)

When the FBI is called in to investigate a series of home invasions, the team uses Charlie and his math skills to help profile the suspects, but when his calculations go awry during a raid, Don suffers a life-threatening injury.

521: Disturbed TV-PG+LV (60 min)

Still feeling responsible for Don's near-fatal stabbing, Charlie puts his focus into tracking down an unnoticed serial killer, with the agents revisiting math theories from when Charlie first started working with the team to help solve the case. John Rubinstein ("Desperate Housewives," "CSI: Crime Scene Investigation") Guest Stars As Gene Evans, an Amateur Sleuth Who Helps Charlie's Investigation and Josh Gad Reprises His Role as Conspiracy Theorist Roy McGill, And Dan Martin Returns As Detective Cates.

522: Greatest Hits TV-14+LV (60 min)

Don and the team investigate a string of copycat bank robberies and zero in on disgraced FBI Agent Roger Bloom as a suspect when they discover he has been studying the files of some of the original bank heists. Golden Globe Award-Winner Henry Winkler ("Happy Days," "Out of Practice") Reprises His Role As Disgraced FBI Agent Roger Bloom.

523: Angels And Devils TV-14+DLV (60 min)

When Amita is abducted, Don and the team's frantic search for her leads them to a charismatic sociopath, but it is up to a distraught Charlie to discover what the suspect's bizarre plans for her are. The situation causes Charlie to reassess his relationship with Amita and their future together. James Callis ("Battlestar Galactica") Guest Stars as Mason Duryea, the Prime Suspect in Amita's Disappearance, and Sarah Drew ("Everwood") Appears as Piper, One of His Followers. Lou Diamond Phillips ("La Bamba") Returns as Agent Ian Edgerton