Song: "Somebody's Knockin'"
Artist: Terri Gibbs
Peak position on the Cashbox Singles chart: #10
Number of weeks on the Cashbox Singles chart: 24
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| January 17, 1981 | 97 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| January 24, 1981 | 91 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| January 31, 1981 | 79 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| February 7, 1981 | 68 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| February 14, 1981 | 55 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| February 21, 1981 | 46 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| February 28, 1981 | 37 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| March 7, 1981 | 31 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| March 14, 1981 | 27 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| March 21, 1981 | 24 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| March 28, 1981 | 21 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| April 4, 1981 | 17 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| April 11, 1981 | 14 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| April 18, 1981 | 13 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| April 25, 1981 | 12 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| May 2, 1981 | 10 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| May 9, 1981 | 10 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| May 16, 1981 | 14 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| May 23, 1981 | 21 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| May 30, 1981 | 25 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| June 6, 1981 | 32 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| June 13, 1981 | 44 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| June 20, 1981 | 68 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
| June 27, 1981 | 97 | Somebody's Knockin' | Terri Gibbs | MCA 41309 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.