Series with titles starting with letter "S"
- Secrets in the Ice (2020–…)
- Secrets of Great British Castles (2015–…)
- Secrets of Playboy (2022–2023)
- Secrets of Sulphur Springs (2021–…)
- Secrets of Summer (2022–…)
- Secrets of the Castle (2014)
- Secrets of the Dead (2000–…)
- Secrets of the Kohinoor (2022-…)
- Secrets of the SAS: In Their Own Words (2016–…)
- Secrets of the Universe (2022–…)
- Secrets of Wild Australia (2016)
- Section Zéro (2016)
- Seduced: Inside the NXIVM Cult (2020–…)
- See (2019–…)
- See No Evil (2014–…)
- See You in My 19th Life (2023–…)
- Sefirin Kizi (2019–…)
- Segodon (2018–…)
- Seigi no mikata (2008–…)
- Seinfeld (1989–1998)
- Seinto Seiya: Knights of the Zodiac (2019–…)
- Sekirei (2008–2010)
- Selection Day (2018–…)
- Selena + Chef (2020–…)
- Self Made: Inspired by the Life of Madam C.J. Walker (2020)
- Selfie (2014)
- Selftape (2023)
- Sell Your Haunted House (2021–…)
- Selling Sunset (2019–…)
- Selling Tampa (2021)