The semifinals conclude in Los Angeles, where the competing ninjas will face up to 10 challenging obstacles; the two fastest ninjas will face off on the Power Tower for a Safety Pass going into the national finals.

Gabby, Rachel and their 14 remaining men continue their seaside journey across Europe; Logan decides to confess his feelings; Rachel makes a shocking choice that affects all her remaining men.

The stakes are raised when a discovery is made that will send shockwaves far and wide.

After being exposed to her own "alien-power mist", Liz finds herself trapped in a fever dream and a battle to save not just her own life but Max's life as well. Meanwhile, Michael stumbles on a secret Rosa is keeping involving a surprising former adversary.

Murphy and Max have a long overdue conversation. Darnell's paranoia turns into fear when everything starts crumbling.

Survival Training for the SkyMed crew takes a dangerous turn as simmering resentments boil over. Meanwhile, Crystal struggles with an unexpected hit-and-run patient with high-stakes consequences.

Harper's decision to pursue Bloom over Felim exposes larger issues between her and Eric and the account. Meanwhile, Yasmin pitches herself for an exciting new opportunity just as her estranged father Charles suddenly reemerges, and Robert takes his pursuit of Nicole to another level.

The Senate passes a historic climate and health bill, South Carolina Sen. Tim Scott discusses "America, a Redemption Story", and Nathalie Emmanuel talks about her role in "The Invitation".

Jimmy addresses photos revealing Donald Trump attempted to flush documents down White House toilets, then catches up with Idris Elba, Aubrey Plaza and Sofia Carson before welcoming musical guest Lauren Spencer-Smith.

Stephen welcomes actress Mindy Kaling and Senator Chris Murphy. Joe Walsh sits in with Luis Cato and the band.

As Matias scrambles to thwart her and retain her power, Veronica uncovers the full extent of his crimes. Gisele makes a choice.

When kaiju mites attack Shiny and Thunder, Alex and Creed must call on the extermination team. Meanwhile, an alien spy breaks into their headquarters.

A lead on the whereabouts of his helm compels Morpheus to seek an audience with Lucifer. A confused John receives a helping hand from a good Samaritan.

When Claire's boarding school mistress, Fiona, takes the stand, a shock revelation changes the course of the trial. Jury room dynamics are tested as tensions reach boiling point.