Series with the first letter - "U"

• Under a Rock With Tig Notaro (2019–…)
• Under Capricorn (1983)
• Under the Banner of Heaven (2022–…)
• Under the Dome (2013–2015)
• Under the Vines (2021–…)
• Underbelly (2008–2013)
• Underbelly: Vanishing Act (2022–…)
• Undercover (2019–…)
• Undercover (2021–…)
• Undercover Billionaire (2019–…)
• Undercovers (2010)
• Underground Marvels (2019–…)
• Undetectable (2016–…)
• Undone (2019–…)
• Unearthed (2016–…)
• Unforgettable (2011–2016)
• Unforgotten (2015–…)
• Unikitty! (2017–…)
• Unit 1 (2000–2004)
• Unit 42 (2017–…)
• United States of Al (2021–…)
• United States of Tara (2009–2011)
• United We Fall (2020–…)
• Universe (2021–…)
• Unlock My Boss (2022–…)
• Unnatural History (2010–…)
• Unorthodox (2020)
• Unplugged (1989–…)
• Unprecedented (2022)
• UnREAL (2015–2018)