Iran's Assassins –While Iran's backing of Hamas in Gaza and Hezbollah in Lebanon is widely known, the regime is quietly carrying out a shadow war in the U.S. and Europe, deploying proxy assassins to silence or eliminate critics of the regime. Britain's head of counter-terrorism policing,Matt Jukes, tells correspondent Lesley Stahl they're noticing a significant uptick in Iran's efforts. In the U.S., Stahl meets some of the targets, including former White House national security adviser John Bolton and Iranian American activist Masih Alinejad. Shachar Bar-On is the producer.

The Heritage War –CorrespondentBill Whitaker reports from Kyiv on Russia's continued war and what Ukrainians say is the deliberate destruction and looting of the country's museums, churches and monuments – a strategy believed to come straight from the Kremlin – and a potential war crime. Whitaker tours the remains of shelled churches and bombed libraries, and speaks with museum workers who are risking their lives to save Ukraine's heritage. Heather Abbott is the producer.

Horse Racing Reform? –As the Justice Department winds down one of the biggest horse doping investigations in U.S. history, correspondent Cecilia Vega examines the wiretaps that helped solve the case and convict dozens of veterinarians, horse trainers and drug distributors. Lisa Lazarus, the woman heading up the new national regulator tasked with cleaning up horse racing, sits down with Vega to discuss the moment of reckoning and the sport's future. Sarah Koch is the producer.

Rise – As Ukrainian families grieve the losses of their loved ones in Russia's continued conflict, correspondent Scott Pelley joins a group of widows and children of the war on a mountain climb in the Austrian Alps, a journey of recovery and resilience. Organized by a charity founded by an American marine who is still finding his footing after serving three combat tours in Iraq, Pelley joins the bereaved families, who traveled 1,300 miles after their city was bombed, on an expedition of hope, community and teamwork. This is a double-length segment. Oriana Zill de Granados and Michael Rey are the producers.

Sealand – Correspondent Jon Wertheimjourneys by boat (and winch) into the world's smallest—and unlikeliest—state: the Principality of Sealand. Just off the English coast, and roughly the landmass of two tennis courts, it boasts a full-time population of one. It was built during World War II as a nautical fort, and later repurposed as a "pirate radio" station under its monarchs, the Bates family. Wertheim takes a tour of this micronation and its history of piracy, coups, countercoups and rogues. Michael Gavshon is the producer.

Ancient Vines – Correspondent Sharyn Alfonsi reports from the former Soviet republic of Georgia, regarded by scholars as the birthplace of wine. Alfonsi delves into its deep history of winemaking and the enduring vineyards that have survived thousands of years of invasions, wars and communist rule. She visits the lush wine region of Kakheti to meet monks protecting these ancient vines and one American vineyard owner who is committed to bringing Georgian wines to the rest of the world. This is a double-length segment. Ashley Velie is the producer.