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!"
12 Episodes
as Peta (voice)
as Null (voice)
2008
2014
2022
2015
1992
2016
2016
2025
2023
2016
2021
2023
1982
1997
