18 shows
| Show | Network | Years | Seasons | Episodes | Genre |
|---|---|---|---|---|---|
| The X Effect | MTV | 2007–2009 | 3 | 30 | — |
| The X Factor | Fox | 2011–2013 | 3 | 80 | Talent show |
| The X Factor Digital Experience | Fox | 2011 | 1 | 15 | — |
| The X-Files | Fox | 1993–2018 | 11 | 218 | Science fiction |
| The X-Files, season 10Miniseries | Fox | 2016 | — | 6 | Science fiction |
| The X-Life | VH1 | 2011 | 1 | 10 | Reality |
| X-MenAnimated series | Fox Kids, Fox | 1992–1997 | 5 | 76 | Fantasy |
| X-Men '97Animated series | Disney+ | 2024–on air | 2 | 19 | Superhero |
| X-Men EvolutionAnimated series | The WB | 2000–2003 | 4 | 52 | Comedy |
| The X's | Nickelodeon | 2005–2006 | 1 | 21 | Animation |
| Xavier: Renegade AngelAnimated series | Cartoon Network, Adult Swim | 2007–2009 | 2 | 20 | Adult animation |
| Xavier Riddle and the Secret MuseumAnimated series | PBS Kids, TVO Media Education Group | 2019–on air | 2 | 47 | Comedy |
| Xena: Warrior Princess | Syndication | 1995–2001 | 6 | 134 | Action |
| Xiaolin ShowdownAnimated series | Kids' WB, The WB | 2003–2006 | 3 | 52 | Fantasy |
| XO, Kitty | Netflix | 2023–on air | 3 | 26 | Romantic comedy |
| XOX Betsey Johnson | Esquire Network | 2013 | 1 | 8 | Reality |
| Xuxa | Syndication | 1993 | 1 | 65 | Variety show |
| Xyber 9: New DawnAnimated series | Fox Kids | 1999–2007 | 1 | 22 | Science fiction |