This Emmy-winning HBO satirical news program, hosted by a British comedian, is known for its in-depth main segments that often highlight underreported political and social issues.

The program described is "Last Week Tonight with John Oliver (Review)," an HBO satirical news show that has garnered significant acclaim, including numerous Emmy Awards. Hosted by the British-American comedian John Oliver, the show offers a distinctive blend of humor and incisive commentary on current events. It is recognized for its weekly deep dives into complex topics, setting it apart from more traditional late-night fare.

A hallmark of "Last Week Tonight" is its extensive main segment, which dedicates considerable time to a single political or social issue, often shining a light on subjects that mainstream news outlets might overlook. These segments, which can run for extended periods, are meticulously researched and aim to inform viewers about the intricacies of underreported problems, ranging from corporate malfeasance to specific legislative shortcomings. The show's ability to tackle these substantial topics while maintaining an engaging, comedic tone has resonated widely with audiences.

John Oliver, who began his career as a stand-up comedian in the United Kingdom, brings a sharp wit and an outsider's perspective to American politics and society. His tenure as a correspondent on "The Daily Show (Review) with Jon Stewart" honed his skills in political satire before he launched his own successful HBO series in 2014. "Last Week Tonight" has become known for its influential "John Oliver effect," where the program's segments can spur public awareness and even action on the issues it covers.