Series with the first letter - "G"
- Grand Designs (1999–…)
- Grand Hotel (2019)
- Grand Star (2007–…)
- Granite Harbour (2022–…)
- Grantchester (2014–…)
- Graves (2016–…)
- Gravity Falls (2012–2016)
- Great American Railroad Journeys (2016–…)
- Great Australian Railway Journeys (2019–…)
- Great British Railway Journeys (2010–…)
- Great Continental Railway Journeys (2012–…)
- Great Escapes with Morgan Freeman (2021–…)
- Great Migrations (2010–…)
- Great Performances (1971–…)
- Great Queen Seonduk (2009)
- Greek (2007–2011)
- Green Acres (1965–1971)
- Green Eggs and Ham (2019–…)
- Green Frontier (2019–…)
- Green Lantern: The Animated Series (2011–2013)
- Green Wing (2004–2007)
- Greenhouse Academy (2017–…)
- Greenleaf (2016–…)
- Greetings from Tucson (2002–2003)
- Grenadier: The Beautiful Warrior (2004–2005)
- Grey's Anatomy (2005–…)
- Grigoriy R. (2014–…)
- Grimm (2011–2017)
- Grond (2021–…)
- Ground Floor (2013–2015)