Worst Series Ending

Game of Thrones (2011–2019)

The Sopranos (1999–2007)

Lost (2004–2010)

Seinfeld (1989–1998)

Dexter (2006–2013)

Battlestar Galactica (2004–2009)

Mad Men (2007–2015)

How I Met Your Mother (2005–2014)

True Blood (2008–2014)

Gossip Girl (2007–2012)

Roseanne (1988–2018)

The X Files (1993–2018)

Girls (2012–2017)

Line of Duty (2012–2026)

Chuck (2007–2012)

Northern Exposure (1990–1995)

House M.D. (2004–2012)

Castle (2009–2016)

Killing Eve (2018–2022)

Gilmore Girls (2000–2007)

The Vampire Diaries (2009–2017)

Ozark (2017–2022)

Two and a Half Men (2003–2015)

St. Elsewhere (1982–1988)

Supernatural (2005–2020)

Veronica Mars (2004–2019)

Pretty Little Liars (2010–2017)

Scrubs (2001–2010)

Crash Landing on You (2019–2020)

Lucifer (2016–2021)

The 100 (2014–2020)

Quantum Leap (1989–1993)

The Flash (2014–2023)

Lois & Clark: The New Adventures of Superman (1993–1997)