This American Life follows a fixed weekly format: Ira Glass introduces a theme, then the episode moves through two or more acts, each a separately produced segment loosely tied to that theme. Segments are reported by a rotating team associated with WBEZ Chicago, including producers like Zoe Chace, and frequently bring in outside contributors — published writers, family members recounting their own history, or hosts of other podcasts appearing as guests. Recurring subject matter includes American political conflict and protest, illustrated by a 2025 episode following livestreamers and law enforcement around a Portland ICE facility, and twentieth-century Black history and civil-rights-era erasure, as in the Paul and Essie Robeson story. Other episodes turn to family dynamics involving grief, disability, or unconventional belief, such as a family's long relationship with a channeled spirit named Aaron, or to colonial-era power struggles, such as Nigerian market women organizing against British colonial rule. The show also runs holiday specials built around returning contributors, including a Christmas rerun of David Sedaris's SantaLand Diaries. Tone shifts from segment to segment: some acts are investigative and sober, others are personal essay, and others are comedic. Episodes are documentary in construction, mixing host narration, archival tape, and field recording rather than a continuous interview format. The core audience is listeners already accustomed to narrative public radio or long-form audio documentary, since episodes assume patience for multi-segment storytelling rather than a single continuous topic. The show is not organized around one beat, such as true crime or politics, but treats a weekly theme as the device connecting otherwise unrelated subject areas. Some segments touch on sensitive material, including discussion of childhood sexual abuse recovery and claims of CIA-related mind-control experimentation, presented within a first-person or historical frame rather than sensationalized.