Serious by Donna Allen first appeared on the Israeli foreign-music chart on 14 Jun 1987, entering at #12. It peaked at #11 on 28 Jun 1987. In total it spent 4 weeks on the chart, last charting on 19 Jul 1987.
| Wk | Date | Pos |
|---|---|---|
| 1 | 14 Jun 1987 | 12 |
| 2 | 28 Jun 1987 | 11 |
| 3 | 5 Jul 1987 | 11 |
| 4 | 19 Jul 1987 | 19 |