| Genre: | Reality/Newsmagazine |
| Presenter: | Morgan Webb |
| Country: | United States |
| Language: | English |
| Num Seasons: | 1 |
| Num Episodes: | 6 |
| Runtime: | 30 min. |
| Network: | G4 |
G4 Underground is a cable television newsmagazine series airing on G4 hosted by Morgan Webb.[1] G4 Underground was described as having a similar format of ABC's 20/20, except it takes a look at many topics that most major news programs don't cover such as Porn 2.0, urban spelunking and Salvia divinorum.