Blockbuster! by Sweet first appeared on the Israeli foreign-music chart on 11 Feb 1973, entering at #22. It peaked at #1 on 25 Mar 1973, holding the top spot for 1 week. In total it spent 14 weeks on the chart, last charting on 3 Jun 1973. It also made the year-end chart: #16 of 1973.
| Wk | Date | Pos |
|---|---|---|
| 1 | 11 Feb 1973 | 22 |
| 2 | 18 Feb 1973 | 19 |
| 3 | 25 Feb 1973 | 12 |
| 4 | 4 Mar 1973 | 5 |
| 5 | 11 Mar 1973 | 3 |
| 6 | 18 Mar 1973 | 2 |
| 7 | 25 Mar 1973 | 1 |
| 8 | 1 Apr 1973 | 2 |
| 9 | 8 Apr 1973 | 4 |
| 10 | 15 Apr 1973 | 6 |
| 11 | 13 May 1973 | 10 |
| 12 | 20 May 1973 | 15 |
| 13 | 27 May 1973 | 18 |
| 14 | 3 Jun 1973 | 25 |