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Where to watch
Not available to stream in US
🔔 Notify me about new seasonsSynopsis
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!"
Themes
Episodes
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- E1 Sister Complete!Next upOct 4, 2019 · 5 min
Synopsis
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.
- E2 My Big Sister’s Perfect Food!Oct 11, 2019 · 5 min
Synopsis
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.
- E3 Big Sister, Do I Have to Go to School?Oct 18, 2019 · 5 min
Synopsis
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?
- E4 Big Sister, Do I Have to Go to Space?Oct 25, 2019 · 5 min
Synopsis
Peta tries to send Null to school, but Null has other plans… that end up getting a little out of control.
- E5 My Big Sister Is Dead?!Nov 1, 2019 · 5 min
Synopsis
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?
- E6 Big Sister, What’s Your Favorite Snow Cone Flavor?Nov 8, 2019 · 5 min
Synopsis
Null and Peta head to the beach where Null meets a new friend.
- E7 My Big Sister’s Acting Suspicious?!Nov 15, 2019 · 5 min
Synopsis
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.
- E8 My Big Sister’s Bugging Out!Nov 22, 2019 · 5 min
Synopsis
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?
- E9 My Big Sister’s Brutal With a Hammer!Nov 29, 2019 · 5 min
Synopsis
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?
- E10 I Think of My Sister, Therefore My Sister IsDec 6, 2019 · 5 min
Synopsis
Peta has vanished, leaving Null to wonder where her big sister has gone.
- E11 Big Sister, Big Sister, Big Sister!Dec 13, 2019 · 5 min
Synopsis
Null has discovered something unsettling, and with Peta still missing, she’s left alone to ponder the magnitude of her realization.
- E12 Null and PetaDec 20, 2019 · 5 min
Synopsis
Null and Peta are reunited, and the sisters resume their life after the changes they’ve been through.
Cast & crew
Reina Ueda
Azumi WakiImages · 2
