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Seasons & Episodes

EP1 Sister Complete! Oct 04, 2019

Null is a young genius who misses her older sister, Peta… so she decides to re-create her, using her incredible intellect. The results are not exactly what she anticipated.

EP2 My Big Sister’s Perfect Food! Oct 11, 2019

Peta makes her specialty dish for Null’s breakfast, but even before she was a robot, her cooking could be questionable. It seems like the added processing power and machine strength haven’t done anything for the older sister’s skills in the kitchen.

EP3 Big Sister, Do I Have to Go to School? Oct 18, 2019

Peta wants Null to attend school, but Null’s advanced intellect makes her stand out from her peers. Can the siblings come to terms over Null’s class attendance?

EP4 Big Sister, Do I Have to Go to Space? Oct 25, 2019

Peta tries to send Null to school, but Null has other plans… that end up getting a little out of control.

EP5 My Big Sister Is Dead?! Nov 01, 2019

Space: the Final Frontier. Null has found herself stranded in the vicinity of an abandoned space station in Earth’s orbit, unsure of how to get home. Will Peta be able to save her little sister?

EP6 Big Sister, What’s Your Favorite Snow Cone Flavor? Nov 08, 2019

Null and Peta head to the beach where Null meets a new friend.

EP7 My Big Sister’s Acting Suspicious?! Nov 15, 2019

Peta seems to be up to something that might be putting her in danger, so it’s up to Null to follow her incognito and discover the truth.

EP8 My Big Sister’s Bugging Out! Nov 22, 2019

It’s an invasion! The town has been swarmed by tiny ravenous bugs that are intent on eating everything in sight! Will Null’s scientific know how and Peta’s robotic power be enough to exterminate the scourge?

EP9 My Big Sister’s Brutal With a Hammer! Nov 29, 2019

The tiny bugs that eat everything aren’t so tiny anymore, as they fuse together into a giant entity intent on eating everything in it’s path! Can the sisters stop it before there’s nothing left to save?

EP10 I Think of My Sister, Therefore My Sister Is Dec 06, 2019

Peta has vanished, leaving Null to wonder where her big sister has gone.

EP11 Big Sister, Big Sister, Big Sister! Dec 13, 2019

Null has discovered something unsettling, and with Peta still missing, she’s left alone to ponder the magnitude of her realization.

EP12 Null and Peta Dec 20, 2019

Null and Peta are reunited, and the sisters resume their life after the changes they’ve been through.

6| 0h30m| TV-14| en| More Info

Released: 04 October 2019 Ended

Producted By: Shin-Ei Animation

Country: Japan

Budget: 0

Revenue: 0

Official Website: https://en.nullpeta.com

Synopsis

Girl genius "Null" has just lost her beloved big sister "Peta" in an accident. But don’t you worry! She’ll just use her naturally gifted intelligence to bring her big sister back as a robot! But is her newly-revived big sister just a little different than before? It’s time for the wacky comedy hijinks of little sister "Null" and big sister robot "Peta"! "Big Sis! Your plug fell out of the wall!"

Stream Online

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Cast

Reina Ueda , Azumi Waki

Director

Producted By

Shin-Ei Animation