Pun Bandhu

When a well-known cancer researcher is found dead, Watson and Holmes must determine if his death was related to his latest invention; Bell is finally allowed to re-enter the field.

A severed hand and foot are found in an alley; Megan allows Lacey to film her at work for a school project.

Henry tries to help an ex-girlfriend who is imprisoned in Thailand for condemning the monarchy.

Alicia and Diane agree to let a famous liberal lawyer (Jeremy Breslow) aid them on their latest case, but they soon realize he may not have their client's best interests in mind. Meanwhile, Alicia's mother (Stockard Channing) arrives for Thanksgiving seeking moral and legal support from Alicia and her brother Owen. Brian Dennehy returns as Lawyer Bucky Stabler and Bebe Neuwirth returns as Judge Friend.

Samantha tries to coax information from a traumatized 12-year-old whose father has apparently kidnapped a 5-year-old boy.

Danny considers retiring until Erin asks for his help with a case involving her ex-husband; Jamie and Eddie pose as a couple; Frank clashes with the new mayor.