Quick look: Codename: Kids Next Door: Operation Z.E.R.O.
The villains of the Kids Next Door, lead by Father, join forces to resurrect the Ultimate Evil, Grandfather, a tyrant who once ruled the world many years ago when most of the villains were themselves kids. However, Father disgraced him that he can't even try to destroy the KND and the Villains were quickly betrayed when they are turned into Senior Citizombies, creatures that are immortal and can transform any living creature into one of them and slaves who are forced to make Tapioca to refuel Grandfather so he can find and destroy the Book of K.N.D.
A wolf and mountain lion team up when a meteor unleashes a virus turning zoo animals into zombies. They join forces with other survivors to rescue the zoo and stop the deranged mutant leader from spreading the virus.
When the Bad Guys, a crew of criminal animals, are finally caught after years of heists and being the world’s most-wanted villains, Mr. Wolf brokers a deal to save them all from prison.
Gromit’s concern that Wallace is becoming too dependent on his inventions proves justified, when Wallace invents a “smart” gnome that seems to develop a mind of its own. When it emerges that a vengeful figure from the past might be masterminding things, it falls to Gromit to battle sinister forces and save his master… or Wallace may never be able to invent again!