Tower of Babel
S01E07 - Airdate: 1999-03-22
Runtime: 30 min
The repetitive passing-on of the same cold strain in Dilbert's office causes it to mutate and turns the coworkers into monsters. Rather than eliminate the virus, the company decides to start fresh by moving everyone to a new office, which Dilbert is tasked with designing in exchange for a new office.
Episode details and rating from TVmaze.