The Sliders arrive on a world where civilization has fallen to a bacteria that creates flesh-eating zombies. Shortly after arriving, Quinn is bitten, and starts turning into a zombie as well!.
Hoping to encourage more students to join the Adopt-A-Grandparent program, Sabrina finds a mischievous way to get trend-setting Libby to participate: she impersonates her, necessitating quick Superman-style telephone booth transformation whenever the (increasingly puzzled) real Libby turns up. But Sabrina's well-meant scheme goes wrong when Libby bonds with Sabrina's adopted grandmother Nana, who claims to know most of Hollywood's young hunks personally. Meanwhile, Zelda can't decide whether to continue dating a man who is centuries younger than she is; and Hilda and Salem eat too much of a magical "hair soup" that causes their hair to grow at an exponential rate.
Harm goes undercover as a Marine gunnery sergeant in order to investigate an accident that occurred during Recon training. The team must work with Captain Koonan, a man who always uses questionable exercises during training.
Beavis and Butt-head have the perfect day - school is canceled, Stewart doesn't want to hang out with them, they find porn in a dumpster, Todd beats up a preppy, and a suspicious neighbor pays them to 'forget' about the blood on his sidewalk.
