 Australia |
|---|
| Date | Certification | Type | Notes |
|---|---|---|---|
| 2018-08-25 | G | Theatrical |
 Germany |
|---|
| Date | Certification | Type | Notes |
|---|---|---|---|
| 2019-01-26 | Premiere | Akiba Pass Festival |
 JapanOriginal Country |
|---|
| Date | Certification | Type | Notes |
|---|---|---|---|
| 2018-08-25 | G | Theatrical |
 Korea, Republic of |
|---|
| Date | Certification | Type | Notes |
|---|---|---|---|
| 2019-03-11 | All | Theatrical (limited) |
 United Kingdom |
|---|
| Date | Certification | Type | Notes |
|---|---|---|---|
| 2023-09-04 | U | Physical | Blu-ray |
 United States |
|---|
| Date | Certification | Type | Notes |
|---|---|---|---|
| 2020-06-09 | Physical | Blu-ray | |
| 2020-09-07 | Digital | HIDIVE |