Series with the first letter - "I"
- Inhumans (2017)
- Injustice (2011)
- Ink Master (2012–…)
- Ink Master: Grudge Match (2019–…)
- Insane Pools Off the Deep End (2015–…)
- Insatiable (2018–2019)
- Insecure (2016–…)
- Inside Amy Schumer (2013–…)
- Inside Bill's Brain: Decoding Bill Gates (2019)
- Inside Edge (2017–…)
- Inside Europe: 10 Years of Turmoil (2019)
- Inside Job (2021–…)
- Inside Man (2022–…)
- Inside Mighty Machines (2019–…)
- Inside No. 9 (2014–…)
- Inside North Korea's Dynasty (2018–…)
- Inside the American Mob (2013–…)
- Inside the Animal Mind (2014–…)
- Inside the Bomb Squad (2020)
- Inside the Criminal Mind (2017–…)
- Inside the Mind of a Serial Killer (2015–…)
- Insiders (2021–…)
- Inspector Gadget (1983–1986)
- Inspector George Gently (2007–2017)
- Inspector Lewis (2006–2015)
- Inspector Montalbano (1999–…)
- Inspector Morse (1987–2000)
- Instant Star (2004–2008)
- Instinct (2018–…)
- Instinto (2019)