Series covered
Series A–ZO
19 covered series starting with O
- The O.C. (2003) 4 episodes
- The OA (2016) 9 episodes
- Obi-Wan Kenobi (2022) 10 episodes
- The Office (2005) 3 episodes
- OK Computer (2021) 1 episode
- The Old Man (2022) 3 episodes
- Olive Kitteridge (2014) 1 episode
- Once Upon a Time in Hollywood (2025) 1 episode
- One Day at a Time (2017) 1 episode
- ONE PIECE (2023) 7 episodes
- Only Murders in the Building (2021) 4 episodes
- Orange Is the New Black (2013) 2 episodes
- Our Flag Means Death (2022) 1 episode
- Outer Banks (2020) 1 episode
- Outer Range (2022) 2 episodes
- Outlander (2014) 1 episode
- The Outsider (2020) 13 episodes
- Oz (1997) 1 episode
- Ozark (2017) 17 episodes