When an aggressive virus wipes out Gabriel's memory, he thinks Jin Cong is good and helps him find a secret document.

Hart and Cohle call a truce to investigate a series of disappearances that may be related to the Dora Lange murder and the Tuttle family.

Tensions rise when Holmes and Watson are forced to partner with Gareth Lestrade, Sherlock’s former Scotland Yard colleague, on a bombing investigation.

The White House deals with a bombshell announcement from Sally Langston. Meanwhile, Olivia finds herself in a challenging new role.

Jeff helps Duncan romance Britta; Britta runs into some old anarchist friends and discovers they've moved on; Abed accidentally destroys some of Hickey's drawings; Chang has a supernatural experience.

Luke competes against the son of Phil’s nemesis (Rob Riggle) in a wrestling match; Cam and Mitch ask Claire to pick up Lily from school without mentioning the recent lice…

Oliver brings Sara into the Arrow team. Watching Oliver and Diggle spar with Sara and talk old scars, Felicity starts to feel left out. The team is investigating a villain…

Frankie tries to persuade Mike to attend a dinner honoring his dedicated service at the quarry; Sue forms a plan to build connections between students; Axl hopes to track down…

With their lives in danger in New Vegas, Monroe and Connor face a difficult decision in order to survive. Back in Willoughby, Miles questions whether he can trust Neville and…

When a guilt-ridden young woman confesses to the murder of a struggling actor — knowing details only the killer could know — Beckett and Castle seem to have an open-and-shut…