| Undeclared | - | 2023 | Dec 13, 2023 | Drama |
| Under | - | 2011 | Apr 27, 2011 | Drama |
| Under a Bridge | - | 1974 | Mar 31, 1974 | Documentary |
| Under Age | - | 2013 | Jan 01, 2013 | - |
| Under Cover | 4.60 | 1987 | Dec 04, 1987 | Action |
| Under New Management | 8.00 | 1946 | May 25, 1946 | Comedy |
| Under Pressure | - | 2025 | Sep 24, 2025 | Documentary |
| Under Siege | 5.20 | 1980 | Aug 08, 1980 | Action |
| Under Strange Flags | 9.00 | 1937 | Apr 11, 1937 | History |
| Under Suspicion | 6.12 | 2000 | Aug 24, 2000 | Thriller |
| Under the Bed | 5.00 | 2012 | Jul 19, 2012 | Horror |
| Under the Dog | 6.30 | 2016 | Aug 01, 2016 | Action |
| Under the Electric Sky | 6.20 | 2014 | May 29, 2014 | Documentary |
| Under the Knife | - | 2019 | Sep 18, 2019 | Documentary |
| Under the Open Sky | 7.50 | 2021 | Feb 11, 2021 | Crime |
| Under the Pillow | - | 2012 | Jan 01, 2012 | Animation |
| Under the Sand | 6.64 | 2001 | Feb 07, 2001 | Drama |
| Under the Sea: A Descendants Story | 7.10 | 2018 | Sep 28, 2018 | Music |
| Under the Skin | 4.00 | 2016 | Oct 22, 2016 | Drama |
| Under the Skin | 6.20 | 2013 | Oct 19, 2013 | Drama |
| Under the Skin of the City | 7.10 | 2005 | May 25, 2005 | Drama |
| Under the slide | - | 2022 | May 15, 2022 | Comedy |
| Under the water | - | 2026 | Jan 01, 1970 | Documentary |
| Under the Yoke | 6.60 | 1952 | Nov 10, 1952 | Drama |
| Under Therapy | 6.90 | 2023 | Mar 17, 2023 | Comedy |
| Underage | 5.10 | 2013 | Mar 15, 2013 | Family |
| Undercity: Las Vegas | - | 2012 | Sep 11, 2012 | Documentary |
| Undercover | 5.30 | 1995 | Apr 11, 1995 | Thriller |
| Undercover | 6.10 | 1943 | Jul 26, 1943 | Drama |
| Undercover | 5.70 | 2015 | Jan 24, 2015 | Thriller |
| Undercover Man | 5.70 | 1942 | Oct 23, 1942 | Western |
| Undercover Wedding Crashers | 5.94 | 2021 | Jun 24, 2021 | Comedy |
| Undercovered | 5.00 | 2017 | Aug 11, 2017 | Documentary |
| Underdog | - | 2021 | Sep 17, 2021 | Documentary |
| Underdog Uprising | - | 2024 | Feb 28, 2024 | Documentary |
| Underdogs | 6.80 | 2008 | Jul 24, 2008 | Drama |
| Underground | 6.80 | 1928 | Jul 01, 1928 | Drama |
| Underground Railroad: The William Still Story | 6.50 | 2012 | Jan 31, 2012 | Documentary |
| Underlying Silence | 10.00 | 2023 | Sep 02, 2023 | Drama |
| Underground | 6.10 | 1998 | Dec 03, 1998 | Crime |