Holmes and Watson investigate a homicide in which the victim was murdered in a manner reminiscent of the crimes of an infamous, and already incarcerated, serial killer. Also, Sherlock and Joan tutor Detective Bell for a police sergeant’s exam that would lead to a promotion and a post at another precinct.

With the end of civilization quickly approaching, Erica sets her startling survival plan in motion with the help of Tommy. Malina races to unite with Tommy and is joined by Luke while Quentin and Phoebe plot against them. Matt Parkman has plans of his own to ensure the safety of his family that might put Taylor in mortal danger.

Kristine shows up at the hospital with baby Luke's blanket.

The gang decides to head to Vegas for the week on a party bus. Sheldon learns about the importance of empathy and saying sorry.

As The Cabal prepares to assassinate Liz, Red calls upon the task force to combine efforts to outmaneuver The Cabal to exonerate her. Red delivers a final ultimatum.

Democratic presidential candidate Hillary Clinton; Lucy Liu (Kung Fu Panda 3 (2016), Elementary (2012)). Also: Flo Rida performs with The Roots.

The chefs head to San Diego and cook up high-end fish tacos. Then, they prepare dishes to complement handcrafted microbrews. Appearing: chef Javier Plascenia.

In the Season 6 premiere, the guys move to another branch of TelAmeriCorp to work for a dynamic boss.