Mr. Nice Guy – As Dash and Vega team to find a lovelorn killer, he continues to seek help from his siblings.
A Stray Howl – An Air Force pilot with a destructive plan is on the team’s radar thanks to one of Jane’s tattoos. Meanwhile, Jane recalls bits and pieces of an unsettling memory; and Weller believes he might know who Jane really is.
Cuba Libre – The team travels to Cuba to catch a Serbian war criminal after a woman from Cabe’s past pleads for his help; Alana De La Garza returns as the new head of Homeland Security; and Walter meets a new friend while completing court-mandated community service.
The Separation Oscillation – To ease Penny’s mind, Leonard pays a visit to the woman he kissed during his expedition to the North Sea, while Sheldon’s breakup with Amy leads him to retaliate by shooting a special episode of “Fun With Flags.” Later, Bernadette is wracked with guilt over withholding a secret from Penny.
Citadel – DEA agent Talia Del Campo seeks help from NCIS after her partner is murdered. Meanwhile, Kensi grows suspicious that Deeks is hiding something, but he surprises her by introducing her to his mother.
XX – In the conclusion of the eighth-season opener, Beckett’s disappearance is examined from her angle as she fights to stay alive and uncover who wants to see her demise.
Borrowing Your Enemy’s Arrows – Daphne and Mingo are excited to introduce their parents until they learn that there’s already bad blood between them. Meanwhile, Bay’s date with Garrett takes an awkward turn when she runs into Tank.
Rise of the Villains: Knock, Knock – Gordon investigates the inmate escape from Arkham Asylum; Galavan plots his next move; Bruce’s quest to unlock the secrets of his father’s office leads him to an old friend of his father’s; and Nygma wants to ask Kristin Kringle on a date.
Hostile Makeover – Kermit tries to make amends with Miss Piggy by setting up her up with Josh Groban, who shares his ideas to improve her late-night talk show. Meanwhile, Fozzie is invited to a party at Jay Leno’s house; and the cast and crew are irked by Bobo selling cookies for his daughter’s scout troop.
Citadel -DEA agent Talia Del Campo seeks help from NCIS after her partner is murdered. Meanwhile, Kensi grows suspicious that Deeks is hiding something, but he surprises her by introducing her to his mother.