| Knock Knock (Nasty Mix) | 3:51 |
| Knock Knock (Knock-Out Mix) | 5:37 |
| Knock Knock (Radio Mix) | 4:15 |
| Knock Knock (Dirty Dub) | 3:56 |
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 2575-1 | Too Krazy | Knock Knock (12") | Salsoul Records, Double J Records | 2575-1 | US | 1993 |
| 2575-1 | Too Krazy | Knock Knock (12", Promo, W/Lbl) | Double J Records | 2575-1 | US | 1993 |
| 2575-2 | Too Krazy | Knock Knock (CD, Maxi) | Salsoul Records, Double J Records, Guest Shot Records | 2575-2 | US | 1993 |
| ZYX 7223-12 | Too Krazy | Knock Knock (12") | ZYX Music | ZYX 7223-12 | Germany | 1994 |
| ZYX 7223-8 | Too Krazy | Knock Knock (CD, Single) | ZYX Music | ZYX 7223-8 | Germany | 1994 |