Oliver and Diggle learn that Deadshot is still alive and his next target is Malcolm. Malcolm invites Tommy to attend a benefit honoring Malcolm for his work with Starling City but Tommy refuses to attend. Oliver encourages his friend to mend his relationship with his father while he can. Meanwhile, Oliver struggles to balance his new relationship with McKenna and his duties as Arrow.

Old emotional wounds are opened when Lieutenant Severide’s father Bennie comes to town and clashes with Chief Boden over the death of their former colleague. Mills helps a distraught driver who caused an accident and Shay makes a decision about her future with Clarice. Meanwhile, Herrmann, Otis and Dawson get to the bottom of a mystery about their bar.

When victims are found in Philadelphia in a similar style to victims of The Replicator, the stalker who has been tracking the BAU's every move, the team thinks this could be the break they need to try and apprehend him.

When several prominent poker players lose their lives, the CSI team is called to investigate before more victims surface.

Broadhill retirement home wants to host a cabaret show and Derek forms an entertainment committee to discuss plans for the evening. Kev wants to produce a play of the Duran Duran film script he wrote in '98 with the staff and residents cast as the band. A new community service worker called Deon, played by Doc Brown, joins the home. He's a keen rapper, but the elderly residents aren't exactly his usual audience. On show night Dougie is forced to join the other 'Duran Duran' band members on stage, while Deon makes a welcome appearance with a special heartfelt rap.

Actress and writer Tina Fey; from "Modern Family", actor Jesse Tyler Ferguson; musical guest Solange.

A promising singer is beaten by her boyfriend, a famous hip-hop star, but she refuses to help ADA Barba build his case; the defendant and his attorney turn the case into a media circus.

Mitch and Cam’s friend Sal announces she’s getting married the next day and they are in the wedding; Gloria doesn’t trust her new nanny; Claire bonds with Haley; Phil helps Luke with a girl.

Juliette plans a surprise birthday party for Deacon, which is attended by real-life country stars Dan Auerbach, Vince Gill, Pam Tillis, Kate York and Kip Moore. During the celebration, Rayna sings, backed up by Pam Tillis and Kate York as themselves, Watty White and Adria. However, Juliette's own performance is derailed by her mother. As Rayna and Teddy's divorce moves forward, the tabloids move in, speculating about Rayna's cheating and thrusting her children into the spotlight; Teddy decides to bring Peggy into his mayoral fold and holds a press conference to make it look like it's all business; and Gunnar's brother charms Scarlett with his singing.

Sam and Dean are stumped when they investigate a possible zombie case where an amnesiac man dies and then revives himself once a day. After the guy is attacked by the goddess Artemis, Sam and Dean realize he’s not a zombie but instead a God, more specifically, Prometheus.

A crucial agent crumbles under emotional distress and threatens to topple a valuable network of KGB informants. Professionally, Philip and Elizabeth are tasked with infiltrating the FBI's new communications encryption system while personally they are forced to grapple with one of the darker aspects of life as a spy.

Stephen endorses Halls cough drops, the government bugs Khalid Sheikh Mohammed's trial, John Kerry makes a case for dimwits, and Paola Antonelli shares the future of design.

Actor Tom Lennon; former boxer Mike Tyson.

When Axl, Sue and Brick accidentally break the family room window, they decide to blame the Glossner children -- the bad seeds of the neighborhood; Frankie tries to land a prime dental rotation spot.

The "Top Chef" winner is crowned in the conclusion of the two-part Season 10 finale.

The guys meet Adam's grandfather during a visit to a rest home.