Series with the first letter - "I"
- In My Skin (2020–…)
- In Plain Sight (2016)
- In Plain Sight (2008–2012)
- In Search of the Trojan War (1985)
- In Sickness and in Health (1985–1992)
- In Tandem (2016–…)
- In the Dark (2017)
- In the Dark (2019–…)
- In the Dust of the Rabbi (2006–…)
- In the Face of Crime (2010–…)
- In the Flesh (2013–2014)
- In the Heat of the Night (1988–1995)
- In the Motherhood (2009)
- In Therapy (2005–…)
- In Treatment (2008–2010)
- Incorporated (2016–2017)
- Incredible Medicine: Dr Weston's Casebook (2017)
- Indebted (2020–…)
- Indian Predator: Murder in a Courtroom (2022)
- Indian Predator: The Butcher of Delhi (2022–…)
- Indian Predator: The Diary of a Serial Killer (2022–…)
- Indian Summers (2015–2016)
- Indu (2021–…)
- Industry (2020–…)
- Infiniti (2022–…)
- Infinity Train (2019–…)
- Informer (2018–…)
- Informer 3838 (2020–…)
- Ingobernable (2017–…)
- Ingress: The Animation (2018–2019)