Qualifying rounds begin in Las Vegas on the world's most challenging obstacle course. The competition returns bigger than ever by bringing back trailblazers, record-setters, and fan-favorite competitors from the last 16 seasons.

Half our Librarian team becomes trapped on a runaway ghost train. Can the rest of the team help solve the unresolved business of the ghosts on board before the train completes a rampage of destruction?

Jon Stewart tracks Elon Musk's White House crash, from the high of being Trump's "first buddy" to the low of his black-eyed DOGE send-off. Now that the 100-day honeymoon is over, Jon also checks in on Trump's other struggling cabinet members, like the FBI's burned-out deputy director, Dan Bongino. "I think what is happening in America is they are building a techno-authoritarian surveillance state". Carole Cadwalladr, the award-winning journalist behind the Substack newsletter "How to Survive the Broligarchy", talks to Jon Stewart about how the U.S. government ignored the huge wake-up call that was the Cambridge Analytica-Facebook data breach scandal - a story Cadwalladr broke and which resulted in no legislative protections for citizens' private data. She warns about the unregulated dangers that data-mining and AI pose to individual privacy and freedom, and what people and institutions can do to push back on big tech's authoritarian agenda.

Jimmy welcomes actress Dakota Johnson, actor Jonathan Groff, and a musical performance by Matt Berninger.

Stephen welcomes actress Jean Smart and Gov. Josh Stein.

When a heckler dies during a guided tour, the investigation brings Harry and Fergus into the middle of a literature-themed murder plot; in America, FBI agents fail to prevent an assassination by Diyu.

While Klak and Sleech visit Sleech's home planet, the hospital itself gets sick! That's right, the hospital is alive.

The prosecutor's disappearance becomes connected with a death. A scuffle in a newspaper office sees Carl making headlines, and Moira sees a therapist.

Nicky tries to shake off a bad night. Chloe tries to figure out what Adam was up to when he died. And the trial is starting.

The MasterChef contestants face a pressure test given by Dessert Master winner John Demetrios. In the hope of winning immunity, they'll have to recreate his Chocolate Meteor.