Dave orders a reluctant Rupert to eat at Ranch 1; "True Tales of the Late Show Interns" expose the dark underbelly of the show's goings-on backstage; Debra Messing discusses childrearing.

After Jamie Hoskins falsely accuses two classmates of rape after a consensual act then hits nine pedestrians during an attempted suicide, medical tests reveal she has been taking medication for bipolar disorder and stopped her pills a week earlier. Jamie is charged with murder and released on her own recognizance after she agrees to take her medication, but after rock star Derek Lord, who is well known for his negative views on psychiatry, gets involved and begins spearheading her defense, Jamie again stops taking her medication. Novak is sympathetic to Jamie, but Jamie's insistence on following Derek Lord's advice leaves Novak with no choice but to take the case to trial.

The NCIS team must work on an assignment against a terrorist group without Gibbs, who is still recovering from the explosion. Gibbs has to fight with memory loss, while he's visited by his mentor and his former boss. His help is needed, expecially when the team discovers that Gibbs is the only person who has informations about the terrorists' plans, so he needs to retrieve his memory before the terrorists attack.

Stephen Colbert welcomes the Research Director for Public Citizen's Energy Program, Tyson Slocum!

Tuesday's Guests: Dr. Phil and Jim Gaffigan

The Unit is called in to consult on a bomb planted in an Atlanta bank, but they soon learn that the bomb might be nuclear. Meanwhile, Bob and Kim decide to take a much needed vacation, but Kim soon discovers that Bob has whisked her away on a mission and wants her to help him out.

The Unit ends up detaining a former Yugoslav general who was wanted for war crimes and then allows lets the U.N. take credit for their capture. However, the criminal soon escapes U.N. custody and he is now seeking retaliation against Jonas for capturing him. Meanwhile at the base, Tiffy is convinced that Mack has decided to re-up with the Unit and she's thinking of divorcing him, and Kim is the recipient of some disturbing news.