OK I recounted and it was 15. Some of these are really old though, and consumption habits have changed quite a bit over the last 20 years. Most of these were viewed well after they originally aired.

Breaking Bad (2008-2013; complete) Game of Thrones (2011-2019; most) Arrested Development (2003-2019; most) Lost (2004-2010; complete?) Black Mirror (2011-pres; some) Severance (2022-present; Season 1&2) Survivor (2000-pres; some) BSG (2005-2009; complete) House of Cards (2013-2018; first season) Parks and Rec (2009-2015; complete) Stranger Things (2016-2025; first season) Bourdain PU (2013-2018; complete) Bourdain NR (2005-2012; complete) Squid Game (2021-2025; Season 1&2) Planet Earth (2006; some)