Fillmore! (2002)

S2E9 Code Name: Electric Haircut

Fillmore and Ingrid delve into the puzzling disappearance of a student named Alexis, discovering that all traces of her existence have mysteriously disappeared from the school records, and she has been erased from photographs. At the same time, they uncover a plot involving a dangerous computer virus named Electric Haircut, which poses a serious threat and must be contained before it wreaks havoc.