A new group of ninjas from the central region hits the course as the qualifying rounds come to a close in Las Vegas; hosts Matt Iseman and Akbar Gbajabiamila, along with co-host Zuri Hall, select their fastest pick of the night.

In a flashback to Amina's time at Dinsberg, secrets are revealed that put Amina and KJ on the hot seat. Tori and Khalil grow closer. Meanwhile, Layla seeks out her father, JP, for help, but the visit ends up very different than either of them expected. Coop's leveling up in the law field is called into question by Layla and Amina.

The most terrible weapon ever created will change the course of the war in the Pacific.

The Alley Guys intervene when Bill gets caught up in a new therapy. Peggy defies Bobby and talks to a restaurant critic on his behalf.

The end of the second world war and the dawn of the nuclear age see its two great victors go from allies to adversaries.

Alice investigates a suspicious overdose as Catherine plots her next move.

Jon Stewart breaks down the rescheduled White House Correspondents' Dinner, after the original event was derailed by an attempted shooting. Trump's defiant return to the stage featured timely 2016 references, wordy roasts that missed the mark, and trailing explanations of jokes that bombed. Jon gives the speech a Comedy 101 critique and wonders which correspondents' dinner ended more unceremoniously. He also sits down with CNN's award-winning chief White House correspondent and "The Source" anchor Kaitlan Collins to discuss the dinner, how she handles insults from the president, how the press corps has changed over 10 years of covering Trump, reporters' frustration with his refusal to answer questions, and the value of follow-ups. Plus, Jon prepares a little roleplay to encourage Collins to give Trump a taste of his own medicine.

Alice fixates on the case, leading to old habits. Catherine lays her trap.

Jimmy welcomes actor Jim Gaffigan, model Karlie Kloss, and a musical performance by Bebe Rexha.

When Malky has no memory of committing murder, Harry, Fergus, and Charlie must find out who benefits from the victim's death. As Harry mingles with unlikely company seeking justice, she makes a vital breakthrough in a sinister case.

Gordon and Ashley are determined to move on from past embarrassments, but they can't seem to shake their collective baggage.

Ash reunites with Colin, and Gordon invites her - along with her eager boyfriend, David - to his birthday party at Echo Park Brewery.

Staten hits the trail with an ulterior motive. As Quinn prepares for the festival, Oliver helps her reconnect with the town through a forgotten landmark.

Alistair stumbles upon a furry convention, Blair has to save him again, and Jer finds romance.

As news of a hostage situation reaches the squad, they race to launch a rescue mission and take down a skilled assassin who has nothing left to lose.

Alice's work on the case forces her to face her past. Catherine heads home.

When Barbara's charming ex-boyfriend, Nicky Chan, re-appears in her life, she must make an impossible decision.