List of Britain's Got Talent episodes Series 5 (2011) Series 5 (2011)

| Episode | Date_ | Official_ITV1_rating_millions | Weekly_rank | Share_ | Official_ITV1_HD_rating_millions | Total_ITV1_viewers_millions |
|---|---|---|---|---|---|---|
| Semi-final 2 results | 31 May | 8.97 | 15 | 35.8 | N/A | 8.970 |
| Semi-final 3 | 1 June | 8.93 | 16 | 41.8 | 1.060 | 9.990 |
| Semi-final 3 results | 1 June | 7.47 | 17 | 28.9 | N/A | 7.470 |
| Semi-final 4 | 2 June | 9.20 | 12 | 43.2 | 1.003 | 10.203 |
| Semi-final 4 results | 2 June | 9.23 | 11 | 39.1 | N/A | 9.230 |
| Semi-final 5 | 3 June | 8.98 | 14 | 43.3 | 1.032 | 10.012 |
| Semi-final 5 results | 3 June | 9.36 | 9 | 42.3 | 0.976 | 10.336 |
| Live final | 4 June | 10.79 | 2 | 47.0 | 1.433 | 12.223 |
| Live final results | 4 June | 11.35 | 1 | 49.3 | 1.272 | 12.622 |