Uma Musume: Pretty Derby - BNW no Chikai
Japanese title: ウマ娘 プリティーダービー BNWの誓い
Alternative titles: Uma Musume: Pretty Derby Specials
Type: Special
Source: Game
Episodes: 3
Status: Finished Airing
Aired: Dec 19, 2018
Duration: 23 min per ep
Rating: PG-13 - Teens 13 or older
Studios: P.A. Works
Producers: TOHO animation
Genres: Sports
Themes: Anthropomorphic, Racing

Special episodes included with the fourth volume of Uma Musume: Pretty Derby Blu-ray release.