Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Check On It (CD, Single, Promo) | Sony Urban Music, Columbia | 82876 77251 2 | Europe | 2005 | |
| Check On It (12") | Columbia | 82876 77047 1 | US | 2005 | |
| Check On It (12") | Columbia | 82876 77046 1 | US | 2005 | |
| Check On It (12") | Columbia | 82876 77252 1 | US | 2005 | |
| Check On It (12", Promo) | Not On Label | PCH | UK | 2005 | |
| Check On It (CD, Maxi) | Sony Urban Music, Columbia | 82876 77253 2 | Europe | 2005 | |
| Check On It (CDr, Promo) | Sony Urban Music, Columbia | none | US | 2005 | |
| Check On It (CDr, Promo) | Sony BMG Music Entertainment (UK) Ltd. | none | 2005 | ||
| Check On It (12", Promo) | Columbia | 82876 82246-1 | US | 2006 | |
| Check On It (CD, Maxi) | Sony Urban Music, Columbia | 82876 80277 2, none | US | 2006 | |
| Check On It (CD, Single) | Sony Urban Music | 82876 77252 2 | Germany | 2006 |