Null Peta: Doki♥ Nurunuru Petapeta! Mizugi-darake no Oneechan Taikai!
Japanese title: ぬるぺた ドキッ♥ ぬるぬるぺたぺた! 水着だらけのお姉ちゃん大会!
Alternative titles: Null & Peta Special, Null Peta Special
Type: Special
Source: Original
Episodes: 1
Status: Finished Airing
Aired: Jan 31, 2020
Duration: 5 min
Rating: PG-13 - Teens 13 or older
Studios: Shin-Ei Animation
Genres: Comedy, Sci-Fi

Extra episode included in the Blu-ray/DVD release.