When a fraternity golden boy and his friend are found dead, Will, Faith, Angie and the team work to unravel the case. Meanwhile, Angie juggles parenting class; Seth faces new-dad anxiety; and Faith confronts her future.

After Martin invites Louisa to watch the annual bird migration over Port Wenn, he treats an elderly woman whose hallucinations lead to dire consequences. Meanwhile, Aunt Sarah fumes after the reading of a will leaves her nothing and Martin must perform an emergency procedure on his young friend.

When a desperate man barricades himself inside an ammo warehouse, Knight is the only negotiator he'll talk to, claiming she once saved him before. As explosives tick and trust frays, Knight clashes with the CID officer running the standoff, each convinced theirs is the only way out.

Armed with new information about the elusive stakes in the swamp, the team redoubles their search efforts with thrilling results.

After a tragic accident, one of Joan's oldest friends is rushed to Minneapolis for treatment, forcing Amy to confront her about her illness. Meanwhile, Richard and TJ find themselves at odds when they treat a tech bro who thrives on pushing boundaries and Michael tries to pick up the pieces in the wake of his fractured marriage.

When police raid his underground still site, Josh joins Tickle & Henry in a shine run for a stock car legend. Mark & Digger contend with a rotten-egg taste in their blueberry brandy. Amanda & Kelly try to stop bears from doing what bears do in the woods.

Mackey is enlisted to run a secret solo investigation into the disappearance of her boss' son and his girlfriend. But when a van turns up with the girlfriend's body inside, it's all hands on deck to locate the boss' son - who is either in grave danger or a killer.

When a marine captain shows up at Camp Pendleton exhibiting symptoms of a fatal virus, NIS goes on lockdown and Gibbs is forced to take charge. As panic spreads, the team races to determine whether it really is a deadly outbreak or something else entirely.

Daphne leads an investigation into the attempted murder of a beloved colleague and mentor, which is further complicated when it intertwines with another case. Later on, Ava comes to Daphne for advice and support.

Wish enlists RJ's help on a bizarre case when his late cellmate's son is wrongly accused of murder.

Jimmy welcomes actress Viola Davis, comedian Gabriel "Fluffy" Iglesias, comedian Jo Koy, and a musical performance by Bleachers.

Stephen welcomes actress Michelle Pfeiffer plus an interview with and musical performance by Dave Matthews.

To prepare for the Grand Line, the Straw Hats visit Loguetown, birthplace of the Great Pirate Era - where rivals both old and new await.

Blaire finds herself navigating an unexpected pregnancy, leading to mixed reactions from the family.

Facing fallout from John's indiscretions and the cold shoulder from her colleagues, M takes her case directly to the student body.

An impossible ultimatum challenges Sherlock's loyalties.

After hours at the museum, Alex Lee welcomes Luke McGregor, Geraldine Hickey, Sashi Perera and Bjorn Stewart all chasing the ultimate honour: exhibition glory.

Set in early 1900s Yorkshire, ambitious maid Emma Harte is torn between her dreams of a better life and a forbidden romance with Edwin Fairley. Meanwhile, in 1970s New York, a plot threatens the empire she's built.

A benefits assessor comes to evaluate Freya's needs and determine how many hours of PA financial assistance she'll receive.

Jo unexpectedly turns up at the venue for Jane's book launch to try to make some progress with a clearly wounded Levi.

The death of businessman Peter Barron continues to cast a lingering shadow over Ashenham. With most leads exhausted, the case threatens to stall completely, and the truth seems further away than ever. Just as Ellis and Harper find themselves at a critical stage in the investigation, the sudden disappearance of a local boy ignites a new urgency, pulling Ellis and Harper back into a desperate search that suggests the answers they seek may still be within reach.