The chaos begins when Jinx accidentally releases a swarm of "Zom-B-Goners"—low-level, mindless spirits—into Brighton. These entities aren't typical ghosts; they act like a viral infection, "ghostifying" things they touch.

The episode centers on a chaotic mishap involving , a joyless and rule-abiding ghost from the Ghost Council, and the McGee family’s attempt to handle a spectral infestation.

The episode features a distinct color palette during the outbreak, utilizing eerie greens and purples to emphasize the "spectral zombie" aesthetic.

The title and plot are a direct play on "Zombiegone" or typical zombie survival films, where characters must barricade themselves and find a "cure" for the infestation. Key Plot Points