Episodes

1. Sister Complete!

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.

2. My Big Sister’s Perfect Food!

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.

3. Big Sister, Do I Have to Go to School?

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?

4. Big Sister, Do I Have to Go to Space?

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

5. My Big Sister Is Dead?!

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?

6. Big Sister, What’s Your Favorite Snow Cone Flavor?

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

7. My Big Sister’s Acting Suspicious?!

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.

8. My Big Sister’s Bugging Out!

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?

9. My Big Sister’s Brutal With a Hammer!

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?

10. I Think of My Sister, Therefore My Sister Is

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

11. Big Sister, Big Sister, Big Sister!

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

12. Null and Peta

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

Overview

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!"

Details

Genres

Animation, Sci-Fi & Fantasy, Comedy

Language

JA

First Air Date

2019-10-04

Seasons

1

Episodes

12

Available On

More Info

Cast

Reina Ueda

Azumi Waki