Peta
main character
ONA
6.2
My TrackerPLANNING
Episode: 0 / 12
My Score:
Anime DetailsFINISHED
- Format
- web series (ONA)
- Episodes
- 12
- Episode length
- 6 min
- Total watch time
- 1 h 12 min
- Status
- Finished
- Aired
- October 4, 2019 – December 20, 2019
- Season
- Fall 2019
- Source
- Original story
- Studio
- Shin-Ei Animation
- Director
- Hirofumi Ogura
- Original creator
- Hato
- Music
- Yuuki Kishida
- Age rating
- PG — Teens 13 or older
- Country
- Japan
- AniList score
- 62/100
- Score across sites
- 6.37/10
Estimated watch time
1h 12m
⚡ 3 days at 5 eps/day
Tags & Tropes
Family Life93%Tragedy87%Female Protagonist80%Chibi79%Robots78%Primarily Child Cast67%Slapstick40%Reincarnation40%School24%Video Games20%
overview details
Synopsis
The story of NullPeta follows Null, an elementary school girl who is also a genius inventor. After her older sister Peta's death by an accident, she brings her sister back to life as "Peta Robo" using her characteristic knowledge. However, the robot sister is a little different from what she used to be....
Trailer
Watch on YouTubeMain cast & voice actors
Should you watch Null & Peta?
Only if you enjoy comedy, sci-fi and slice of life, especially stories with family life, tragedy, female protagonist.
Reception is lukewarm: 62/100 on AniList, with 23% of 4.2K ratings at 8/10 or higher. It's the #17 most popular anime of 2019.
15.4% of viewers drop it before the end, more than most, so give it a few episodes to see if it clicks.
At about 1 h 12 min in total, it is a short commitment — a weekend binge.
Where to Watch Officially
Availability, audio and subtitles vary by region and service.
Episodes
12 episodes are listed.
Creators & key staff
- Original creator
- Hato
- Director
- Hirofumi Ogura
- Character design
- Takeshi Itakura
- Music
- Yuuki Kishida
Where it fits in the series
- Optional extras: Null & Peta: Slippery and Sticky! Big Sister Bikini Battle!
Related entries
Opening & ending themes
Openings (1)
- OP1“#NULL!*Peta” by Azumi Waki & Reina Ueda
Theme data from AnimeThemes.moe.
If you like Null & Peta
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Null & Peta FAQ
How many episodes does Null & Peta have?
Null & Peta has 12 episodes of about 6 minutes each, roughly 1 h 12 min in total.
Is Null & Peta finished?
Yes. Null & Peta has finished airing — the final episode aired December 20, 2019.
Is there a season 2 of Null & Peta?
No sequel is listed for Null & Peta as of October 2026.
Is Null & Peta based on a manga?
No. Null & Peta is an original anime story, not adapted from a manga or novel.
Who animated Null & Peta?
Null & Peta was animated by Shin-Ei Animation and directed by Hirofumi Ogura.
Who sings the opening of Null & Peta?
The opening, "#NULL!*Peta", is performed by Azumi Waki & Reina Ueda.
Where can I watch Null & Peta?
Null & Peta is listed on Crunchyroll, YouTube. Availability varies by region — check the streaming links on this page.