| Keys and Abbreviations | |
| Certificate (as granted by the BBFC) | |
| U | Universal (Suitable for viewing by any age) |
| Uc | Universal, particularly suitable for children |
| 12 | Suitable for viewing only by persons 12 years and older |
| PG | Parental Guidance (Content may be unsuitable for children) |
| 15 | Suitable for viewing only by persons 15 years and older |
| 18 | Suitable for adult viewing only |
| E | Certificate exempt |
| Other abbreviations: | |
| W/Connection | Western Connection |
| ADV | AD Vision (UK and US version) |
| USMC | US Manga Corps (Central Park Media) |
| CPM | Central Park Media |
| S/Sculptors | Software Sculptors |
| Eps | Episodes (especially where episode numbers do not tally with volume) |