| Premiere | Show | Years | Seasons | Episodes | Genre | Created by |
|---|---|---|---|---|---|---|
| May 1 | Cheat! | 2002–2009 | — | 174 | — | |
| May 1 | Filter | 2002–2006 | — | 129 | Reality | |
| May 1 | Icons | 2002–2007 | 5 | 88 | — | |
| May 8 | G4tv.com | 2002–2005 | — | 173 | — | |
| Jul 11 | Code MonkeysAnimated series | 2007–2008 | 2 | 26 | Comedy | Adam de la Peña |
| Nov 11 | American Ninja Challenge | 2007–2009 | 4 | 8 | — | |
| Jul 16 | Hurl! | 2008 | — | 11 | — | |
| Nov 12 | Human Wrecking Balls | 2008 | 2 | 20 | Reality | |
| Mar 29 | G4 UndergroundNews program | 2009 | 1 | 6 | — | |
| Aug 16 | 2 Months 2 Million | 2009 | 1 | 10 | Reality | |
| Dec 9 | Campus PD | 2009–2012 | 4 | 46 | Documentary | |
| Dec 12 | American Ninja Warrior | 2009 | 15 | 223 | Game show |